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Socioeconomic Features of Mississippi

Data Dictionary

70.5 Minute Contours

• Description: This dataset consists of contour lines. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: Varies by quad
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: 1.0-2.0 megabytes
• Source: USGS; MARIS Technical Center
• Link: Mississippi Automated Resource Information System

70.5 Minute Quadrangle Grid

• Description: This dataset consists of the polygon grid of 70.5 minute U.S. Quadrangle Survey topographic map boundaries and map names. More detailed information can be found in the metadata files located at the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1993
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: 0.5-1.0 megabytes
• Source: MARIS Technical Center
• Link: Mississippi Automated Resource Information System

Acute Care Hospitals

• Description: This dataset consists of the locations of acute care hospitals. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: October 1994
• Format: Unknown
• File Size: Under 0.5 megabytes
• Source: Division of Medicaid, Office of the Governor, Mississippi Information for State Health Policy Program (INFOSHP)
• Link: Mississippi Automated Resource Information System

Airport Runways

• Description: This dataset consists of airport runways. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1990
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes (Avg Co.)
• Source: U.S. Bureau of the Census - TIGER file and USGS 70.5 minute topographic maps.
• Link: Mississippi Automated Resource Information System

Borders of the Counties and State

• Description: This dataset consists of county and state boundaries. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1990
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes (Avg Co)
• Source: U.S. Bureau of Census - TIGER file.
• Link: Mississippi Automated Resource Information System

Casino Locations

• Description: This dataset consists of the locations of Mississippi gaming facilities. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: November 1994
• Format: Unknown
• File Size: Under 0.5 megabytes
• Source: Mississippi State University - Social Science Research Center
• Link: Mississippi Automated Resource Information System

Census Blocks

• Description: This dataset consists of Census block boundaries. Blocks are subunit of census block groups. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1991
• Format: Polygon coverage in Arc/Info
• File Size: 0.5-1.0 megabytes (Avg Co.)
• Source: U.S. Bureau of the Census - Post Census TIGER file
• Link: Mississippi Automated Resource Information System

Census Block Groups

• Description: This dataset consists of Census block group boundaries. Block groups are a subunit of census block numbering areas. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1991
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: 0.5-1.0 megabytes (Avg Co.)
• Source: U.S. Bureau of the Census - Post Census TIGER file
• Link: Mississippi Automated Resource Information System

Census Block Numbering Areas

• Description: This dataset consists of Census tract/block numbering areas. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1990
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: 0.5-1.0 megabytes (Avg Co.)
• Source: U.S. Bureau of the Census- Post Census TIGER file
• Link: Mississippi Automated Resource Information System

Census Places

• Description: This dataset consists of the boundaries of designated places, incorporated cities, Indian reservations, military reservations, and unincorporated communities. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: January 1992 to present
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes (Avg Co.)
• Source: U.S. Bureau of Census -TIGER file, MS Public Utilities Staff
• Link: Mississippi Automated Resource Information System

Census TIGER Files

• Description: This dataset consists of TIGER files. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1991
• Format: Polygon coverage in Arc/Info
• File Size: 2.0-4.0 megabytes (Avg Co.)
• Source: U.S. Bureau of the Census - Post Census TIGER file
• Link: Mississippi Automated Resource Information System

CERCLA Sites

• Description: This dataset consists of the locations of sites and facilities regulated by the U.S. EPA under the Comprehensive Environmental Response, Compensation, and Liability Act - Superfund waste control programs. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1994
• Format: Point coverage in Arc/Info
• File Size: under 5 megabytes
• Source: Department of Environmental Quality - Office of Pollution Control.
• Link: Mississippi Automated Resource Information System

Chancery Court Districts

• Description: This dataset consists of boundaries of the Mississippi Chancery Court Districts based on the 1990 Census. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: May 1994
• Format: Unknown
• File Size: 0.5-1.0 megabytes
• Source: Mississippi Standing Joint Legislative Committee on Reapportionment
• Link: Mississippi Automated Resource Information System

Choctaw Indian Tribal Lands

• Description: This dataset consists of boundaries of the Mississippi Choctaw Indian tribal lands. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1996
• Format: Unknown
• File Size:Under 0.5 megabytes
• Source: Mississippi Band of Choctaw Indians
• Link: Mississippi Automated Resource Information System

Circuit Court Districts

• Description: This dataset consists of boundaries of the Mississippi Circuit Court Districts based on the 1990 Census. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: May 1994
• Format: Unknown
• File Size: 0.5-1.0 megabytes
• Source: Mississippi Standing Joint Legislative Committee on Reapportionment
• Link: Mississippi Automated Resource Information System

Community College Districts

• Description: This dataset consists of the multi-county districts assigned to the community colleges by the Community College Board. More detailed information can be found in the metadata file on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1994
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes
• Source: Mississippi Community College Board
• Link: Mississippi Automated Resource Information System

Community Health Districts

• Description: This dataset consists of the locations of the community health centers. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: October 1994
• Format: Unknown
• File Size: Under 0.5 megabytes
• Source: Division of Medicaid, Office of the Governor, Mississippi Information for the State Health Program (INFOSHP)
• Link: Mississippi Automated Resource Information System

County Roads and City Streets

• Description: This dataset consists of county roads, city streets, and trails. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1983
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: 0.5-1.0 megabytes (Avg Co.)
• Source: U.S. Geological Survey DGLs; Mississippi Department of Transportation
• Link: Mississippi Automated Resource Information System

Department of Corrections Regions

• Description: This dataset consists of the jurisdictional regions of the Mississippi Department of Corrections. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: January 1997
• Format: Unknown
• File Size: Under 0.5 megabytes
• Source: Mississippi Department of Corrections, MARIS Technical Center
• Link: Mississippi Automated Resource Information System

Department of Corrections Sites

• Description: This dataset consists of the locations of the Mississippi Department of Corrections facilities. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: January 1997
• Format: Unknown
• File Size: Under 0.5 megabytes
• Source: Mississippi Department of Corrections, MARIS Technical Center
• Link: Mississippi Automated Resource Information System

Department of Transportation Districts

• Description: This dataset consists of boundaries of the Mississippi Department of Transportation districts. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1993
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes
• Source: Mississippi Institutions of Higher Learning
• Link: Mississippi Automated Resource Information System

Electric Utility Services Areas

• Description: This dataset consists of certificated service areas of electric utility providers. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: Varies (1989 - Present)
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes (Avg Co.)
• Source: Mississippi Public Utilities Staff
• Link: Mississippi Automated Resource Information System

Elevations (DEM)

• Description: This dataset consists of source elevations for the conterminous U.S. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1979-1990
• Format: ArcView Shapefile
• File Size: Unknown
• Source: USGS DEM raster files
• Link: EPA BASINS

EPA Regional Boundaries

• Description: This dataset consists of boundaries of the 10 regional offices of the EPA in the conterminous U.S. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1994
• Format: ArcView Shapefile
• File Size: Unknown
• Source: USGS State Boundaries, derived from DLG's
• Link: EPA BASINS

Federal and Indian Lands

• Description: This dataset consists of the boundaries of all types of managed areas existing in the conterminous U.S., including lands held by federal, state, tribal, and private agencies and organizations. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: Unknown
• Format: ArcView Shapefile
• File Size: Unknown
• Source: U.S. Fish and Wildlife Service GAP Program
• Link: EPA BASINS

Forest Industry Sites

• Description: This dataset consists of the locations of primary and secondary forest industry sites. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1990
• Format: Point coverage in Arc/Info
• File Size: under 5 megabytes
• Source: Tennessee Valley Authority/Mississippi Forestry Commission
• Link: Mississippi Automated Resource Information System

Gas Utility Service Areas

• Description: This dataset consists of certificated service areas of gas utility providers. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: Varies (1989 - Present)
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes (Avg Co.)
• Source: Mississippi Public Utilities Staff
• Link: Mississippi Automated Resource Information System

High Accuracy Reference Network

• Description: This dataset consists of the point locations of the High Accuracy Reference Network. More detailed information can be found in the metadata file located at the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1993
• Format: Point coverage in Arc/Info
• File Size: 0.5-1.0 megabytes
• Source: National Geodetic Survey
• Link: Mississippi Automated Resource Information System

Highway Patrol Districts

• Description: This dataset consists of boundaries of the Highway Safety Patrol districts. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: October 1989
• Format: Unknown
• File Size: Under 0.5 megabytes
• Source: Mississippi Department of Public Safety
• Link: Mississippi Automated Resource Information System

House of Representatives Districts

• Description: This dataset consists of boundaries of the Mississippi House of Representatives districts based on the 1990 Census. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1992
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: 2.0-5.0 megabytes
• Source: Mississippi Standing Joint Legislative Committee on Reapportionment
• Link: Mississippi Automated Resource Information System

Inactive Railroads

• Description: This dataset consists of inactive and abandoned railroads. More detailed information can be found in the metadata file located at MARIS.
• Geographic Area: Mississippi, statewide
• Date: 1990
• Format: Line coverage in Arc/Info
• File Size: Under 0.5 megabytes (Avg Co.)
• Source: U.S. Bureau of the Census - TIGER file; Mississippi Department of Economic and Community Development
• Link: Mississippi Automated Resource Information System

Index Contours

• Description: This dataset consists of county-wide edgematched index contour lines. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: Varies by quad
• Format: Unknown
• File Size: 2.0-5.0 megabytes
• Source: USGS; MARIS Technical Center
• Link: Mississippi Automated Resource Information System

Latitude/Longitude Grid

• Description: This dataset consists of the 10 minute grid of latitude/longitude reference lines and annotation. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1994
• Format: Line coverage in Arc/Info
• File Size: 0.5-1.0 megabytes
• Source: MARIS Technical Center
• Link: Mississippi Automated Resource Information System

Mental Health Regions

• Description: This dataset consists of boundaries of the state's 15 Regional Health Centers. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: March 1998
• Format: Unknown
• File Size: Under 0.5 megabytes
• Source: Mississippi Department of Mental Health, Division of Planning and Public Information.
• Link: Mississippi Automated Resource Information System

Multi-County Industrial Districts

• Description: This dataset consists of boundaries of Mississippi multi-county industrial districts. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1993
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes
• Source: Mississippi Institutions of Higher Learning
• Link: Mississippi Automated Resource Information System

National Historic Registry Sites

• Description: This dataset consists of the locations of Mississippi's Historic Registry Sites (1,050 sites). More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: June 1998
• Format: Unknown
• File Size: Under 0.5 megabytes
• Source: National Register of Historic Places
• Link: Mississippi Automated Resource Information System

Planning and Development Districts

• Description: This dataset consists of boundaries of Mississippi planning and development districts. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1993
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes
• Source: Mississippi Institutions of Higher Learning
• Link: Mississippi Automated Resource Information System

Populated Place Locations

• Description: This dataset consists of locations of populated places are represented on USGS topographic maps. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1989-1994
• Format: ArcView Shapefile
• File Size: Unknown
• Source: USGS 1:24,000 Topographic maps and USGS Geographic Name Information System II (GNISII) Topographic names data
• Link: EPA BASINS

Primary Roads

• Description: This dataset consists of the primary road system. More detailed information can be found in the metadata file located at MARIS (Mississippi Automated Resource Information System).
• Geographic Area: Mississippi
• Date: 1983
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes
• Source: U.S. Geological Survey DLGs; Mississippi Department of Transportation
• Link: Mississippi Automated Resource Information System

Public Colleges/Universities

• Description: This dataset consists of the locations of all public universities, community colleges, their branches, and off-site campuses. More detailed information can be found in the metadata file on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1992
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes
• Source: MARIS Technical Center
• Link: Mississippi Automated Resource Information System

Public School Districts

• Description: This dataset consists of the boundaries of Mississippi public school districts. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1992
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes (Avg Co.)
• Source: U.S. Bureau of Census - TIGER file
• Link: Mississippi Automated Resource Information System

Public Service Commission Districts

• Description: This dataset consists of boundaries of the Mississippi Public Service Commission Districts. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1993
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes
• Source: Mississippi Institutions of Higher Learning
• Link: Mississippi Automated Resource Information System

Railroads

• Description: This dataset consists of the active railroad system. More detailed information can be found in the metadata file located at MARIS (Mississippi Automated Resource Information System).
• Geographic Area: Mississippi
• Date: 1990
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes (Avg Co.)
• Source: U.S. Bureau of the Census - TIGER files. Mississippi Department of Economic and Community Development
• Link: Mississippi Automated Resource Information System

RCRIS Sites

• Description: This dataset consists of the locations of sites and facilities regulated by the EPA under Resource Compliance Recovery Act waste control programs. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1994
• Format: Point coverage in Arc/Info
• File Size: under 5 megabytes
• Source: Department of Environmental Quality - Office of Pollution Control
• Link: Mississippi Automated Resource Information System

Recreational Facilities

• Description: This dataset consists of recreational facilities including parks and historic sites. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: July 1995
• Format: Unknown
• File Size: Under 0.5 megabytes
• Source: Mississippi Department of Wildlife, Fisheries, and Parks
• Link: Mississippi Automated Resource Information System

Secondary Roads

• Description: This dataset consists of three digit highways, e.g., Mississippi Highway 471, and the Natchez Trace Parkway. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1983 - Present
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes (Avg Co.)
• Source: U.S. Geological Survey DGLs; Mississippi Department of Transportation
• Link: Mississippi Automated Resource Information System

Sections

• Description: This dataset consists of section and township boundaries with associated annotation. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: Varies
• Format: Polygon coverage in Arc/Info
• File Size: 0.5-1.0 megabytes(Avg. Co)
• Source: U.S. Geological Survey 70.5 min topographic maps.
• Link: Mississippi Automated Resource Information System

Senate Districts

• Description: This dataset consists of boundaries of the Mississippi Senate Districts based on the 1990 Census. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1992
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes
• Source: Mississippi Standing Joint Legislative Committee on Reapportionment
• Link: Mississippi Automated Resource Information System

Sewer Service Areas

• Description: This dataset consists of certificated service areas of sewer utility providers. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: Varies (1989 - Present)
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes (Avg Co.)
• Source: Mississippi Public Utilities Staff
• Link: Mississippi Automated Resource Information System

Supreme Court Districts

• Description: This dataset consists of boundaries of the Mississippi Supreme Court Districts. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1993
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: 0.5-1.0 megabytes
• Source: Mississippi Institutions of Higher Learning
• Link: Mississippi Automated Resource Information System

Survey Districts

• Description: This dataset consists of the Public Land Survey System survey districts. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: Varies
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: 0.5-1.0 megabytes (Avg. Co)
• Source: U.S. Geological Survey 70.5 minute topographic maps
• Link: Mississippi Automated Resource Information System

Telephone Utility Service Areas

• Description: This dataset consists of certificated service areas of telephone utility providers. More detailed information can be found in the metadata file located on the MARIS homepage
• Geographic Area: Mississippi, statewide
• Date: Varies (1989 - Present)
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes (Avg Co.)
• Source: Mississippi Public Utilities Staff
• Link: Mississippi Automated Resource Information System

Townships

• Description: This dataset consists of township boundaries with associated annotation. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: Varies
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: 0.5-1.0 megabytes
• Source: U.S. Geological Survey 70.5 minute topographic maps
• Link: Mississippi Automated Resource Information System

Toxic Release Inventory

• Description: This dataset consists of the locations of sites and facilities regulated by the U.S. EPA under toxic release waste control programs. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1994
• Format: Point coverage in Arc/Info
• File Size: under 5 megabytes
• Source: Mississippi Emergency Management Agency
• Link: Mississippi Automated Resource Information System

Transmission Lines

• Description: This dataset consists of electrical power transmission lines. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1990
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes (Avg Co.)
• Source: U.S. Bureau of the Census - TIGER file and USGS 1:100,000 maps
• Link: Mississippi Automated Resource Information System

Underground Storage Tanks

• Description: This dataset consists of the locations of underground storage tanks. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1988
• Format: Point coverage in Arc/Info
• File Size: 1.0-2.0 megabytes
• Source: MARIS Technical Center
• Link: Mississippi Automated Resource Information System

Urbanized Areas

• Description: This dataset consists of boundaries of the census defined urbanized areas. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1990
• Format: ArcView Shapefile
• File Size: Unknown
• Source: U.S. Bureau of Census Urbanized area limit database.
• Link: EPA BASINS

U.S. Congressional Districts

• Description: This dataset consists of boundaries of the U.S. Congressional Districts based on the 1990 Census. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1992
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes
• Source: Mississippi Standing Joint Legislative Committee on Reapportionment.
• Link: Mississippi Automated Resource Information System

U.S. Army Corp of Engineers Districts

• Description: This dataset consists of boundaries of the U.S. Army Corps of Engineers districts. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1990
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes
• Source: U.S. Army Corps of Engineers
• Link: Mississippi Automated Resource Information System

Voting Precincts 1990

• Description: This dataset consists of boundaries of county voting precincts as of October 1, 1990. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1990
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Over 10 megabytes
• Source: MARIS Technical Center
• Link: Mississippi Automated Resource Information System

Wastewater Discharge Sites

• Description: This dataset consists of the locations of National Pollutant Discharge Elimination System Sites. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1992
• Format: Point coverage in Arc/Info
• File Size: under 5 megabytes
• Source: Department of Environmental Quality - Office of Pollution Control - Surface Water Division
• Link: Mississippi Automated Resource Information System

Waste Treatment Impoundments

• Description: This dataset consists of the locations of domestic sewage lagoons and industrial waste water impoundments. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1980
• Format: Point coverage in Arc/Info
• File Size: Under 0.5 megabytes
• Source: Department of Health, Department of Environmental Quality - Office of Pollution Control
• Link: Mississippi Automated Resource Information System

Water Development Districts

• Description: This dataset consists of boundaries of major water development districts. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1994
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes
• Source: Department of Economic and Community Development
• Link: Mississippi Automated Resource Information System

Water Utility Service Areas

• Description: This dataset consists of certified service areas of water utility providers. More detailed information can be found in the metadata file on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: Varies (1989 - Present)
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes
• Source: Mississippi Public Utilities Staff
• Link: Mississippi Automated Resource Information System

Wellhead Protection Areas

• Description: This dataset consists of the 10-year, time-of-travel zones determined by the Well Head Protection Act, EPA wellhead protection model. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: 1994
• Format: Polygon coverage in Arc/Info
• File Size: Under 0.5 megabytes
• Source: Department of Environmental Quality - Office of Pollution Control
• Link: Mississippi Automated Resource Information System

Zip Code Boundaries

• Description: This dataset consists of boundaries of zip code areas matched to census block boundaries. More detailed information can be found in the metadata file located on the MARIS homepage.
• Geographic Area: Mississippi, statewide
• Date: June 1995
• Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
• File Size: Under 0.5 megabytes
• Source: U.S. Bureau of Census Blocks; A-Metro Map; U.S. Postal Service
• Link: Mississippi Automated Resource Information System