Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
Bedrock Geology: Indiana

Bedrock Geology: Indiana

2010. Indiana Geological Survey. BEDROCK_GEOL_MM48_IN is a polygon shapefile that shows bedrock geology of the state of Indiana at a scale of 1:500,000. The mapped stratigraphic un...

2.
Geology: [Monroe County, Ind.].

Geology: [Monroe County, Ind.].

196-?. Scale not given.

3.
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Michigan Bedrock Geology: Michigan

2015. Michigan Department of Natural Resources. Bedrock geology polygons as digitized from the'1987 Michigan Bedrock Geology map.

4.
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Bedrock Geology: Michigan

2015. Michigan bedrock geology.

5.
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Quaternary Geology: Michigan

2015. Michigan Quaternary Geology.

6.
Glacial geology of Indiana

Glacial geology of Indiana

1958. Wayne, William J.(William John), 1922-cartographer. Base modified from U.S. Geological Survey Base map of Indiana, 1953.; Reprinted with minor modifications, 1963. Scale 1:1,000,000.

7.
Bedrock Geology of Iowa

Bedrock Geology of Iowa

2017. Iowa Geological Survey. Bedrock Geology of Iowa This zip file contains a file geodatabase with the following feature classes: Bedrock Faults Bedrock Geology Bedrock Topogr...

8.
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Quaternary Geology Map: Michigan

2017. Digital version of Quaternary Geology maps of northern and southern Michigan.

9.
Statemap Surficial Geologys: Iowa

Statemap Surficial Geologys: Iowa

2018. Iowa Geological Survey. Surficial Geology of Iowa Each zip file contains a shapefile of the area specified.

10.
Mixed

Bedrock Geology: Illinois, 2005

2005. Illinois State Geological Survey. This feature dataset shows the distribution and extent of the bedrock geologic units within the State of Illinois, as depicted on the map Bedrock G...