Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
Vector Created with Sketch.

104 State Water Plan Watersheds: Pennsylvania

1998. Environmental Resources Research Institute. Digitized boundaries of 104 major watersheds defined in the Pennsylvania state water plan. The State Water Plan, originally developed in the 1970s,...

2.
1969 traffic map, state of Indiana: 24 hour annual average total traffic

1969 traffic map, state of Indiana: 24 hour annual average total traffic

1969. Insets: Indianapolis -- [New Albany area]. Scale approximately 1:650,000. Prepared by the Division of Planning, Indiana State Highway Commission in...

3.
[1970 census enumeration district and census tract map of Monroe County, Indiana].

[1970 census enumeration district and census tract map of Monroe County, Indiana].

1970?. Title supplied by cataloger.; Blue line print.; Base map: General Highway and transportation map, Monroe County, Indiana / prepared by the Indiana ...

4.
32,000 to vote in 29 precincts here: [Bloomington, Ind.].

32,000 to vote in 29 precincts here: [Bloomington, Ind.].

1966. From Daily Herald-Telephone, Bloomington, Indiana, November 4, 1966.; Map shows voting precincts inside the City of Bloomington, Indiana, and inclu...

5.
7th congressional district of Indiana, 1972.

7th congressional district of Indiana, 1972.

1972. Boundaries of 7th Congressional District of Indiana in 1972 drawn on a copy of Counties and townships map, p. 10 of Kingsbury, Robert C., An atlas ...

7.
A map of Bloomington & Monroe County, Indiana: including Ellettsville & Indiana University

A map of Bloomington & Monroe County, Indiana: including Ellettsville & Indiana University

1989. Includes text, indexes, advertisement, and 10 indexed ancillary subdivision maps. Scales differ. Spectrum; presented by Bank One and Greater Bloomi...

8.
A map of Indiana showing its history, points of interest, and the holdings of the Indiana Dept. of Conservation

A map of Indiana showing its history, points of interest, and the holdings of the Indiana Dept. of Conservation

1954. Carter, Lee (Cartographer). Pictorial map. Cited in LC's Trails bibliography, no. 111. Scale 1:600,000. Lee Carter, cartographer, 1932.

10.
Abandoned railroads of Indiana.

Abandoned railroads of Indiana.

1960?. Pen and ink.; Base map: Geological Survey (U.S.). State of Indiana, Scale 1:500,000, Washington, D.C., 1950. Scale approximately 1:2,027,520.

11.
Academy Gletscher: Greenland

Academy Gletscher: Greenland

1953. Projection: Polar Stereographic Projection; Series: AMS C501 Greenland 1:250,000 Topographic Series.

12.
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Active Railroads: Pennsylvania

1996. Environmental Resources Research Institute. Location of active rail lines in Pennsylvania, digitized from 1:24,000 USGS topographic maps on a stable Mylar base.

13.
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Adelaide Island: World Aeronautical Chart

1959. Aeronautical Chart and Information Center.

14.
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Admiralty Range: World Aeronautical Chart

1959. Aeronautical Chart and Information Center.

15.
Aerial gamma radiation in Minnesota and adjacent areas of North Dakota and South Dakota, M-83

Aerial gamma radiation in Minnesota and adjacent areas of North Dakota and South Dakota, M-83

1996. Lively, R.S. and Morey, G.B. Maps showing general Quaternary age surface geology of Minnesota and distribution of uranium, thorium and potassium-40 in surface sediments, scale ...

16.
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Aerial Imagery (Doq) Grid: Michigan, 1992-1998

1992-1998. State of Michigan. Digital Ortho-Quadrangle grid for 1992 1998 aerial imagery acquisitions.

17.
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Aerial Imagery: DuPage County, Illinois, 1956

1956. DuPage County Illinois. Aerial Imagery of DuPage County: 1956 (For reference only not to any scale).

18.
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Aerial Imagery: DuPage County, Illinois, 1978

1978. DuPage County Illinois. Aerial Imagery of DuPage County: 1978.

19.
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Aerial Imagery: DuPage County, Illinois, 1998

1998. DuPage County Illinois. DuPage County Black and White Ortho Imagery: 1998.

20.
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Aerial Imagery Index Grid, 12-foot Resolution: Prince George's County, Maryland, 1998

1998. The Maryland-National Capital Park & Planning Commission.