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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.
Bedrock Geology: Illinois, 2005

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...

3.
Geology: [Monroe County, Ind.].

Geology: [Monroe County, Ind.].

196-?. Scale not given.

4.
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.

5.
Vector Created with Sketch.

Michigan Bedrock Geology: Michigan

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

6.
Vector Created with Sketch.

Bedrock Geology: Michigan

Michigan bedrock geology.

7.
Vector Created with Sketch.

Quaternary Geology: Michigan

Michigan Quaternary Geology.

8.
Mixed

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...

9.
Vector Created with Sketch.

Quaternary Geology Map: Michigan

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

10.
Vector Created with Sketch.

Statemap Surficial Geologys: Iowa

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

11.
Geology - Geologic Formations: Maryland

Geology - Geologic Formations: Maryland

Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This file of geologic unit polygons is for educational u...

12.
Geology - Hydric Soils: Maryland

Geology - Hydric Soils: Maryland

Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data layer is a compilation of the MUPOLYGON featur...

13.
Geology - Physiographic Provinces: Maryland

Geology - Physiographic Provinces: Maryland

Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data layer contains the Province-level physiographi...

14.
Geology of Beacon Heights: Antarctica

Geology of Beacon Heights: Antarctica

Projection: Lambert Conformal Conic Projection: Standard Parallels -76°40' and -79°20'; Series: NZGS Miscellaneous Series.

15.
Vector Created with Sketch.

Statemap Bedrock Geologys: Iowa

Each zip file contains a shapefile of the specified area.

16.
Bedrock Geology of Illinois - Geologic Units, 2004

Bedrock Geology of Illinois - Geologic Units, 2004

1996. Illinois State Geological Survey. This feature class shows the distribution and extent of the bedrock geologic units within the State of Illinois, as depicted on the Geologic Map of...

17.
Bedrock geology of Indiana, from the Regional Geologic Map Series of the Indiana Geological Survey: Indiana

Bedrock geology of Indiana, from the Regional Geologic Map Series of the Indiana Geological Survey: Indiana

2013. Indiana Geological Survey. BEDROCK_GEOL_RGM_IN is a polygon shapefile that shows the bedrock geology of the state of Indiana, produced from the Indiana Geological Survey Regi...

18.
Polygon

Bedrock Type: Wisconsin, 2008

2008. Wisconsin Department of Natural Resources. This layer consists of a polygon coverage at 1:500,000 scale with information about bedrock type used in the GCSM. Bedrock is the consolidated mate...

19.
Vector Created with Sketch.

Late Wisconsinan Glacial Border 1:100,000

1995. Pennsylvania Bureau of Topographic and Geologic Survey, Dept. of Conservation and Natural Resources. Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map at 1:100,000 sc...

20.
Vector Created with Sketch.

Late Wisconsinan Glacial Border 1:500,000

1995. Pennsylvania Bureau of Topographic and Geologic Survey, Dept. of Conservation and Natural Resources. Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map at 1:100,000 sc...