Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Search Constraints

Number of results to display per page
View results as:

Search Results

1.
Sand and Gravel Resource Potential in Mapped Surficial Material: Indiana

Sand and Gravel Resource Potential in Mapped Surficial Material: Indiana

2003. Indiana Geological Survey. SAND_GRAVEL_RESOURCES_IN is a polygon shapefile that identifies sand and gravel permissive tracts in the surficial unconsolidated deposits of India...

2.
Abandoned Quarries: Indiana

Abandoned Quarries: Indiana

2003. Indiana Geological Survey. QUARRIES_ABANDONED_IN was derived from a comma-delimited text file named "QUALOC.TXT" contained on the following CD-ROM publication: Hasenmueller, ...

3.
Abandoned Sand and Pits: Indiana

Abandoned Sand and Pits: Indiana

2003. Indiana Geological Survey. SAND_GRAVEL_PITS_ABANDONED_IN is a point shapefile that shows the locations of abandoned sand and gravel pits in Indiana. It is derived from an unp...

4.
Bedrock Topography Contours: Indiana

Bedrock Topography Contours: Indiana

2003. Indiana Geological Survey. Bedrock topography was converted from the original published map, Indiana Geological Survey Miscellaneous Map 36. The contours define the elevation...

5.
Silurian Reef Locations (Point): Indiana

Silurian Reef Locations (Point): Indiana

2003. Indiana Geological Survey. SILURIAN_REEF_POINTS_MM54_IN is a point shapefile that shows the locations of Silurian rock reef formations in Indiana. These data include five cat...

6.
Silurian Reef Locations (Polygon): Indiana

Silurian Reef Locations (Polygon): Indiana

2003. Indiana Geological Survey. SILURIAN_REEF_POLYGONS_MM54_IN is a polygon shapefile that shows the general locations of Silurian rock reef bank formations in Indiana. These data...

7.
Surficial geology of the Two Harbors quadrangle, Lake County, Minnesota, M-138

Surficial geology of the Two Harbors quadrangle, Lake County, Minnesota, M-138

2003. Hobbs, Howard C. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...

8.
Bedrock geology of the Castle Danger quadrangle, Lake County, Minnesota, M-140

Bedrock geology of the Castle Danger quadrangle, Lake County, Minnesota, M-140

2003. Boerboom, Terrence J., Green, John C., and Miller, James D., Jr. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Castle Danger quadrangle, scale ...

9.
Bedrock geology of the Two Harbors quadrangle, Lake County, Minnesota, M-139

Bedrock geology of the Two Harbors quadrangle, Lake County, Minnesota, M-139

2003. Boerboom, Terrence J., Green, John C., and Miller, James D., Jr. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Two Harbors quadrangle, scale 1:...

10.
Surficial geology of the Crown quadrangle, Anoka and Isanti Counties, east-central Minnesota, M-133

Surficial geology of the Crown quadrangle, Anoka and Isanti Counties, east-central Minnesota, M-133

2003. Lusardi, Barbara A. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...

11.
Surficial geology of the Knife River quadrangle, St Louis and Lake Counties, Minnesota, M-137

Surficial geology of the Knife River quadrangle, St Louis and Lake Counties, Minnesota, M-137

2003. Hobbs, Howard C. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...

12.
Surficial geology of the Lake Fremont quadrangle, Sherburne, Isanti, and Anoka Counties, east-central Minnesota, M-134

Surficial geology of the Lake Fremont quadrangle, Sherburne, Isanti, and Anoka Counties, east-central Minnesota, M-134

2003. Lusardi, Barbara A. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...

13.
Bedrock geology of Mankato East quadrangle, Blue Earth, Le Sueur Counties, Minnesota, M-136

Bedrock geology of Mankato East quadrangle, Blue Earth, Le Sueur Counties, Minnesota, M-136

2003. Mossler, John H. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Mankato East quadrangle, scale 1...

14.
Bedrock geology of Mankato West quadrangle, Blue Earth, Le Sueur Counties, Minnesota, M-135

Bedrock geology of Mankato West quadrangle, Blue Earth, Le Sueur Counties, Minnesota, M-135

2003. Mossler, John H. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Mankato West quadrangle, scale 1...

15.
Bedrock geology of the Vermilion Lake 30' x 60' quadrangle, northeastern Minnesota, M-141

Bedrock geology of the Vermilion Lake 30' x 60' quadrangle, northeastern Minnesota, M-141

2003. Jirsa, Mark A. and Boerboom, Terrence J. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Vermilion Lake quadrangle, scale...

16.
Geologic atlas of Pope County, Minnesota, C-15, Part A, Plate 3, Surficial Geology

Geologic atlas of Pope County, Minnesota, C-15, Part A, Plate 3, Surficial Geology

2003. Harris, Kenneth L. and Knaeble, Alan R. Map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials...

17.
Geologic atlas of Pope County, Minnesota, C-15, Part A, Plate 2, Bedrock Geology, Bedrock Topography, and Depth to Bedrock

Geologic atlas of Pope County, Minnesota, C-15, Part A, Plate 2, Bedrock Geology, Bedrock Topography, and Depth to Bedrock

2003. Harris, Kenneth L., Boerboom, Terrence J., Chandler, Val W., and Setterholm, Dale R. Maps showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), elevation of the bedrock ...

18.
Maps of bedrock geology and superimposed magnetic on gravity (SMOG) anomaly for east-central Minnesota, M-132

Maps of bedrock geology and superimposed magnetic on gravity (SMOG) anomaly for east-central Minnesota, M-132

2003. Jirsa, Mark A., Chandler, Val W., Lively, R.S., and Boerboom, Terrence J. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments); gravity (interpretation of gravity dat...

19.
C-15 Geologic atlas of Pope County, Minnesota [Part A]

C-15 Geologic atlas of Pope County, Minnesota [Part A]

2003. Harris, K.L and Minnesota Geological Survey. 5 pls. Scales 1:100,000 and 1:200,000. Pl. 1, data-base map; pl. 2, bedrock geology, bedrock topography, and depth to bedrock; pl. 3, surficial geo...

20.
Vector Created with Sketch.

Ecoregions United States (Omernik)

2003. U S Environmental Protection Agency. This map layer shows Omernik's Level III ecoregions, derived from a 1:7,500,000 map created by J.M. Omernik in 1987 and from refinements of Omernik...

21.
Ecoregions, Levels III and IV, Indiana: Indiana

Ecoregions, Levels III and IV, Indiana: Indiana

2003. A. Woods, J. Omernik, S. Brockman, T. Gerber, W. Hosteter, And S. Azevedo and Indiana Geological Survey. The following is excerpted from the metadata for OHIN_ECO: "The ecoregions shown here have been derived from Omernik (1987) and fr refinements of ...