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1. 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

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

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

1990. Balaban, N.H and Hobbs, H.C. 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

1992. Meyer, G.N and Swanson, L. 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]

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]

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]

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]

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]

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. 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...

12. Geologic map - Topographic Change During the Last Century: Philadelphia, 2000

1998. United States Geological Survey. A scope of work was developed in response to a request by the U. S. Army Corps of Engineers, Philadelphia District. The request was to perform a to...

13. Late Wisconsinan Glacial Border 1:100,000: Pennsylvania, 1995

1994. 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...

14. Late Wisconsinan Glacial Border 1:500,000: Pennsylvania, 1995

1994. 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...

15. 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...

16. Physiographic Divisions: Illinois, 2004

1993. Illinois State Geological Survey. This is an ESRI feature class showing boundaries for physiographic divisions in Illinois. Data are originally from ISGS Report of Investigations 12...

17. Physiographic Provinces 1:500,000: Pennsylvania, 1995

1994. 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. Potential of Agricultural Chemical Contamination of Aquifers, 2004: Illinois

1995. Donald A. Keefer, Illinois State Geological Survey. This is a statewide SDE feature dataset for evaluating the potential for contamination of shallow aquifers by pesticides and nitrate. The sources o...

19. Quaternary Deposits: Illinois, 1979

1979. Illinois State Geological Survey. Digital representation of the Quaternary Deposits in Illinois map by Lineback (1979). Map scale is 1:500,000. Shows Quaternary deposits that lie at...

20. Quaternary Deposits: Illinois, 1996

1996. Barb Stiff. This feature dataset is a generalized version of Quaternary Deposits of Illinois. Updated to reflect the areal distribution of the Wedron and Mason...