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You searched for: Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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3.

Glacial Boundaries: Illinois, 1998 illinois

1998. Illinois State Geological Survey. Glacial boundary lines representing the extent of glaciation for major glacial episodes in Illinois. Data originally from Quaternary Deposits in Il...

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Preliminary Landform Subdivisions of Pennsylvania penn-state

1998. Pennsylvania Department of Conservation and Natural Resources. The land surface of Pennsylvania is anything but flat and horizontal. The surface comprises complex arrangements of differences in elevation above ...

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Aggregate Resources 1997, 2020 and 2040: Minnesota minnesota

1997-2040. The Aggregate Resources (sand, gravel and limestone and dolomite) dataset contains three separate shape files for aggregate resources for 1997, 202...

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Geomorphology - Mississippi River - St. Paul District minnesota

1997-1998. US Army Corps of Engineers, St. Paul District Office. Geomorphologic coverage showing Landform Sediment Assemblages (LSA) units in pools 1-10 of the Mississippi River.

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Hydric Soils: Chester County, Pennsylvania penn-state

1997. U S Department of Agriculture. This data set includes all soil map units that are defined as Hydric in the SSURGO data base. The SSURGO data set is a digital soil survey and is t...

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Prime Agricultural Soils: Chester County, Pennsylvania penn-state

1997. U S Department of Agriculture. This data set represents Prime Agricultural Soils as defined by the County of Chester. The designation equates to any soil map unit designation as ...

9.
Mixed

Bedrock Geology of Illinois - Geologic Units, 2004 illinois

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...

10.
Mixed

Quaternary Deposits: Illinois, 1996 illinois

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...

12.

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

1995. Hobbs, H.C and Minnesota Geological Survey. 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...

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Caves: Centre County, Pennsylvania penn-state

1995. Centre County Government. Point Feature Class - It was originally captured as part of the 1995 Aerial Imagery project completed by Kimball.

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Late Wisconsinan Glacial Border 1:100,000 penn-state

1995. Pennsylvania Department 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...

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Late Wisconsinan Glacial Border 1:500,000 penn-state

1995. Pennsylvania Department 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...

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Physiographic Provinces 1:500,000: Pennsylvania penn-state

1995. Pennsylvania Department 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.

Shaded Relief map: Illinois, 2006 illinois

1995. Abert, Curtis C. This raster dataset shows the landforms of Illinois with a shaded relief portrayal. Cell size is 301 feet and nominal map scale is 1:250,000. The d...