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You searched for: Resource Type Polygon data Remove constraint Resource Type: Polygon data Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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1. Woodfordian Moraines [Illinois]

University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign
1991. Illinois State Geological Survey. Named Woodfordian moraines, or Wisconsinan End Moraines, of Illinois. Data originally from ISGS Bulletin 94, Pleistocene Stratigraphy of Illinois, ... Illinois State Geological Survey.

2. Wetlands Inventory & Functional Assessments: Montgomery County, Maryland, 2005-2007

Datasets datasets University Of Maryland university-of-maryland
1988. Maryland Department of Natural Resources, U.S. Fish and Wildlife Service. Commission staff performed wetland inventories and functional wetland assessments during the years of 2005-2007. Most of the work was in the German... The Maryland-National Capital Park and Planning Commission.

3. Unconsolidated Aquifer Systems: Indiana

Purdue University purdue-university
1994. United States Geological Survey (USGS) and Indiana Geological Survey. Five types of unconsolidated aquifers in 12 water-management basins identified by the Indiana Natural Resources Commission (INRC) in Indiana were i... State of Indiana.

7. Streams and Shorelines [Illinois]

Datasets datasets University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign
1994. Illinois Department of Natural Resources and Illinois State Geological Survey. Streams and shorelines for Illinois. Derived from USGS 1:100,000 Digital Line Graph files, transportation layer 1980-1986. Each arc carries attribu... Illinois State Geological Survey.

8. State Senate Districts: Minnesota, 1994

Datasets datasets University Of Minnesota university-of-minnesota
1994. Minnesota Legislative Commission. This is a polygon data set for the 1994 Senate Districts. This database was developed from U.S. Census Bureau 1990 TIGER/Line files as a result of... State of Minnnesota.

9. State House Districts: Minnesota, 1994

Datasets datasets University Of Minnesota university-of-minnesota
1994. Minnesota Legislative Commission. This is a polygon data set for the 1994 Legislative Districts. This database was developed from U.S. Census Bureau 1990 TIGER/Line files as a resu... State of Minnnesota.

10. Stack-Unit Mapping of Geologic Materials to a Depth of 15 Meters [Illinois]

Datasets datasets University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign
1995. Illinois State Geological Survey. Stack-Unit mapping of geologic materials to a depth of 15 meters. Stack-unit maps show the distribution of earth materials vertically from the surf... Illinois State Geological Survey.