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The 1968 Geologic Map of the State of West Virginia. Scanned by WVDEP in 1968 to 300dpi , 8-bit color, georeferenced, digitized and produced into shapefiles. These files were augmented in 2008 by WVGES. |
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The 1968 Geologic Map of the State of West Virginia. Scanned by WVDEP in 1968 to 300dpi , 8-bit color, georeferenced, digitized and produced into shapefiles. These files were augmented in 2008 by WVGES. |
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[[-82.6447432115215,37.2014898875393],[-77.7193747340775,40.6386065329667]]
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Original compilers of the 1968 hardcopy map: D. H. Cardwell, R. B. Erwin, and H. P. Woodward |
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thumbnail/thumbnail.png
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| typeKeywords:
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["Data","Service","Map Service","ArcGIS Server"]
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| description:
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In 1968 the West Virginia Geological and Economic Survey (WVGES) published a State Geologic Map. The topographic base was compiled from Army Map Service 1:250,000 scale map sheets. In 1998 the WV Division of Environmental Protection (WVDEP) scanned the hardcopy geologic maps at 300 dpi, 8-bit color, and then georeferenced them. Rock unit boundaries were digitized off the images and attributed by WVDEP. The USGS-Water Resources Division later revised the attributes of large water bodies and referenced the datum to NAD83. WVGES augmented the map in 2008 to remove the water bodies and used surrounding geology. Metamorphic features were also added in 2008 along with "GeoAge" font notation to render proper geologic labelling for the map. The attribute table contains information about the age, rock type (lithology), formal names, and coal seams of the rock units. Structure type and names for separate fold and fault coverages also exist with this service.
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Some understanding of state geology has changed since this map was created in 1968. Please refer to recent mapping efforts such as WVGES' "STATEMAP" for more detailed and complete geologic information. |
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| title:
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West Virginia Geologic Map (1968)
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| type:
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Map Service
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| tags:
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["West Virginia geologic","West Virginia geologic map","geologic map","geology"]
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| culture:
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en-US
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| name:
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WVGeologicMap
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| guid:
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E145FCFB-27F9-4ED9-BBC6-6F5B583A1289
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| spatialReference:
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WGS_1984_Web_Mercator_Auxiliary_Sphere
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