North Carolina State Geologic Map 1985
The North Carolina Department of Environment and Natural Resources, Division of Land Resources, NC Geological Survey, in cooperation with the North Carolina Center for Geographic Information and Analysis, developed the GIS data set version of the Geology of North Carolina. The data represents the digital equivalent of the official State Geology map (1:500,000- scale), but was digitized from (1:250,000-scale) base maps. There are two additional data sets which accompany this layer, dikes and structures. These should be used together with the Geology formations layer. All three data sets come together. (Refer to the cross references section for more detail on the dikes and structures).
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