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1.
A new geological map of Wisconsin prepared mostly from original observations / by I.A. Lapham.

A new geological map of Wisconsin prepared mostly from original observations / by I.A. Lapham.

1869, c1868. Lapham, Increase Allen, 1811-1875. Entered for copyright by both Lapham and Silas Chapman. "Lith. by L. Lipman, Milmaukee." Includes "Geological section, from Prairie du Chien to Mil...

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.
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 ...

5.
Aggregate resource potential of Chisago County, Minnesota, M-116, Plate 1

Aggregate resource potential of Chisago County, Minnesota, M-116, Plate 1

2001. Meyer, Gary N. and Lusardi, Barbara A. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...

6.
Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 1

Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 1

2005. Meyer, Gary N., Jirsa, Mark A., and Jennings, Carrie E. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...

7.
Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 3

Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 3

2005. Meyer, Gary N., Jirsa, Mark A., and Jennings, Carrie E. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...

8.
Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 5

Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 5

2005. Meyer, Gary N., Jirsa, Mark A., and Jennings, Carrie E. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...

9.
Base Flow of Michigan Streams: Michigan

Base Flow of Michigan Streams: Michigan

This data set provides estimates of the ground-water contribution to stream flow, frequently referred to as base flow, in cubic feet per second. Th...

10.
Vector Created with Sketch.

Base Flow of Michigan Streams: Michigan

This data set provides estimates of the ground-water contribution to stream flow, frequently referred to as base flow, in cubic feet per second. Th...

11.
Bedrock geologic and topographic maps of the Minneapolis-St. Paul urban area, Minnesota, M-57, Plate 1

Bedrock geologic and topographic maps of the Minneapolis-St. Paul urban area, Minnesota, M-57, Plate 1

1985. Bloomgren, Bruce A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Minneapolis and St. Paul urban a...

12.
Bedrock geologic and topographic maps of the seven-county Twin Cities Metropolitan Area, Minnesota, M-55, Plate 1

Bedrock geologic and topographic maps of the seven-county Twin Cities Metropolitan Area, Minnesota, M-55, Plate 1

1986. Jirsa, Mark A., Olsen, Bruce M., and Bloomgren, Bruce A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Twin Cities, seven-county metrop...

13.
Bedrock geologic map and mineral exploration data of the western Vermilion district, St Louis and Lake Counties, northeastern Minnesota, M-98

Bedrock geologic map and mineral exploration data of the western Vermilion district, St Louis and Lake Counties, northeastern Minnesota, M-98

1999. Peterson, Dean M. and Jirsa, Mark A. Compilation of interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), mineral exploration dat...

14.
Bedrock geologic map, Minneapolis, St. Paul vicinity, M-1

Bedrock geologic map, Minneapolis, St. Paul vicinity, M-1

1965. Payne, C.M. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) in the area of Minneapolis-...

15.
Bedrock geologic map of northeastern Itasca County, Minnesota, M-68

Bedrock geologic map of northeastern Itasca County, Minnesota, M-68

1990. Jirsa, Mark A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), northeastern Itasca County, scale 1:48...

16.
Bedrock geologic map of northwestern Minnesota, M-80

Bedrock geologic map of northwestern Minnesota, M-80

1994. Jirsa, Mark A., Runkel, Anthony C., and Chandler, Val W. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northwestern Minnesota, scale 1:250,...

17.
Bedrock geologic map of northwestern Minnesota, M-92

Bedrock geologic map of northwestern Minnesota, M-92

1999. Jirsa, Mark A., Chandler, Val W., and Runkel, Anthony C. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northwestern Minnesota, scale 1:200,...

18.
Bedrock geologic map of parts of Koochiching, Itasca, and Beltrami Counties, north-central Minnesota, M-67

Bedrock geologic map of parts of Koochiching, Itasca, and Beltrami Counties, north-central Minnesota, M-67

1990. Jirsa, Mark A. and Boerboom, Terrence J. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), north-central Minnesota, scale 1:250,000.

19.
Bedrock geologic map of the Aitkin 30 x 60 minute quadrangle, east-central Minnesota, M-99, Plate 1

Bedrock geologic map of the Aitkin 30 x 60 minute quadrangle, east-central Minnesota, M-99, Plate 1

1999. Boerboom, Terrency J., Severson, Mark J., and Southwick, David L. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) Aitkin quadrangle, scale 1:100,000.

20.
Bedrock geologic map of the Aitkin 30 x 60 minute quadrangle, east-central Minnesota, M-99, Plate 2

Bedrock geologic map of the Aitkin 30 x 60 minute quadrangle, east-central Minnesota, M-99, Plate 2

1999. Boerboom, Terrency J., Severson, Mark J., and Southwick, David L. Data base, Aitkin quadrangle showing drill holes, outcrops and other data used to make interpretations of bedrock geology for map M-99, scale 1:100...