State Geologic Map Compilation – Structure
收藏USGS Coastal Change Hazards Portal2026-05-01 更新2026-05-09 收录
下载链接：
https://crb-open-data-usgs.hub.arcgis.com/maps/67f721d6664c4a0ca2a07ac13963974d
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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
