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GIS DATA
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The Digital Map Series are computer-generated products that can be updated as new information becomes available. Most new map products from the Ohio Division of Geological Survey will now be prepared in this series. Digital Map Series products are available as plot-on-demand (POD) paper copies and as Geographic Information System (GIS) files and associated information distributed on CD-ROM media.
GIS Map Series - Datasets and Plot-on-demand maps
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BG (Bedrock Geology, Structure, and Topography) |
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BG-1 |
(1:500,000-scale; available on CD-ROM)
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BG-3 |
Bedrock Topography GIS
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BG-3A |
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BG-3B |
Bedrock topography 7½-minute quadrangle series contours (1:24,000-scale)
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EG (Environmental Geology) |
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EG-1 |
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EG-2 |
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EG-3 |
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IM (Industrial Minerals) |
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IM-1 |
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MG (Miscellaneous Geology) |
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MG-1 |
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MG-2 |
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PG (Petroleum Geology) |
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PG-1 |
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PG-2 |
Sub-Knox wells (1:500,000-scale)
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PG-23 |
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SG (Surficial Geology) |
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SG-1 |
Quaternary Geology of Ohio (1:250,000-scale) (Not available as POD)
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SG-2 |
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SG-3 |
Glacial Drift-Thickness and Alluvial-Deposits Map of Ohio (1:500,000-scale)
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GIS releases on CD-ROM contain a PDF file of the map, metadata, ESRI projected shape files, and, if of raster data type; contain the ESRI grid files as well as USGS format Digital Elevation Model (DEM) files. The shape files can be used in many popular mapping software products and also may be used with free viewing software such as ESRI's Arc Explorer or Arc Reader (provided on CD with orders).
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