State Geologic Map Compilation – Points
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资源简介:
This feature layer, utilizing data from the U.S. Geological Survey, portrays the State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. The SGMC represents a seamless, spatial database of 48 State geologic maps. This layer is checked annually for updates.
创建时间:
2018-06-19



