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You searched for: geology Remove constraint geology Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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1.
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...

2.
Buried Bedrock Surface: Illinois, 2004

Buried Bedrock Surface: Illinois, 2004

1994. Herzog, B.L.. B.J. Stiff, C.A. Chenoweth, K.L. Warner, J.B. Sievering, C. Avery. The Buried Bedrock Surface of Illinois map represents the first revision of the bedrock topography map since the second edition was published by th...

3.
C-04 Geologic atlas of Hennepin County, Minnesota

C-04 Geologic atlas of Hennepin County, Minnesota

1989. Balaban, N.H. 9 pls. Scale 1:100,000 and smaller. Pl. 1, data-base; pl. 2, bedrock geology, pl. 3, surficial geology; pl. 4, bedrock topography and depth to bedr...

4.
C-06 Geologic atlas of Dakota County, Minnesota

C-06 Geologic atlas of Dakota County, Minnesota

1990. Balaban, N.H. 9 pls. Scale 1:100,000 and smaller. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, depth to bedrock and bedrock topogra...

5.
C-07 Geologic atlas of Ramsey County, Minnesota

C-07 Geologic atlas of Ramsey County, Minnesota

1992. Meyer, G.N. 10 pls. Scale 1:48,000 and smaller. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, bedrock topography and Quaternary st...

6.
C-08 Geologic atlas of Fillmore County, Minnesota [Parts A and C]

C-08 Geologic atlas of Fillmore County, Minnesota [Parts A and C]

1995. Mossler, J.H. 5 pls. Scale 1:100,000. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, depth to bedrock and bedrock topography; pl. 5, ...

7.
C-09 Geologic atlas of Rice County, Minnesota [Part A]

C-09 Geologic atlas of Rice County, Minnesota [Part A]

1995. Hobbs, H.C. 6 pls. Scale 1:100,000. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, Quaternary stratigraphy; pl. 5, depth to bedrock...

8.
C-10 Geologic Atlas of Stearns County, Minnesota [Parts A and C]

C-10 Geologic Atlas of Stearns County, Minnesota [Parts A and C]

1995. Meyer, G.N. 7 pls. Scales 1:100,000 and 1:200,000. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, Quaternary stratigraphy; pl. 5, d...

9.
C-11 Geologic atlas of Mower County, Minnesota [Part A]

C-11 Geologic atlas of Mower County, Minnesota [Part A]

1998. Mossler, J.H. 6 pls. Scale 1:100,000. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, depth to the pre-Cretaceous bedrock surface and ...

10.
C-12 Geologic atlas of Goodhue County, Minnesota [Part A]

C-12 Geologic atlas of Goodhue County, Minnesota [Part A]

1998. Setterholm, D.R. 6 pls. Scale 1:100,000. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology and thickness of Quaternary sediments; pl. 4, Quaternary...

11.
Distribution, structure, and mined areas of coals in Fountain and Warren Counties, and the northernmost part of Vermillion County, Indiana

Distribution, structure, and mined areas of coals in Fountain and Warren Counties, and the northernmost part of Vermillion County, Indiana

1961. Hutchison, Harold C.(Harold Christy), 1925-cartographer. Preliminary coal map no. 9--Margin.; Includes 1 ancillary map, 1 diagram showing township enumeration, 1 index map, 1 stratigraphic column, and 1 c...

12.
Distribution, structure, and mined areas of coals in Spencer County, Indiana

Distribution, structure, and mined areas of coals in Spencer County, Indiana

1959. Hutchison, Harold C.(Harold Christy), 1925-cartographer. Preliminary coal map no. 8--Margin.; Includes 2 geologic cross sections, location map, geologic column, index of mines, tables, and diagram of town...

13.
Driftless Areas: Illinois, 2004

Driftless Areas: Illinois, 2004

1994. Illinois State Geological Survey. This is a polygon feature class containing driftless areas in Illinois. These areas are analogous to areas of the state where the bedrock surface i...

14.
Generalized bedrock map of southern Indiana

Generalized bedrock map of southern Indiana

1951. Patton, John B.(John Barratt), 1915-cartographer. Blue line.; August, 1951.; Not for publication, for correspondence use only--Upper margin. Scale approximately 1:1,500,000.

15.
Geologic map of Indiana

Geologic map of Indiana

1956. Patton, John B.(John Barratt), 1915-cartographer. Base from Map of Indiana, 1950 edition, published by the U.S. Geological Survey. Minor revisions and additions made from Indiana Department of Cons...

16.
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.

17.
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...

18.
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...

19.
Major Bedrock Valleys: Illinois, 2004

Major Bedrock Valleys: Illinois, 2004

1994. Illinois State Geological Survey. This feature dataset shows continuous lines representing the lowermost elevations/locations of (buried) bedrock valleys in the state of Illinois. A...

20.
Map of Posey County, Indiana, showing structure on the Springfield coal member of the Petersburg formation (Pennsylvanian)

Map of Posey County, Indiana, showing structure on the Springfield coal member of the Petersburg formation (Pennsylvanian)

1997. Ault, Curtis H., cartographer. Relief shown by contours.; Coordinates printed at top and lower margin are incorrect.; Includes index map, text, and sectionized township diagram. ...