USGS National Geologic Map Database Collection
收藏data.gov2026-01-10 收录
下载链接：
https://catalog.data.gov/dataset/usgs-national-geologic-map-database-collection-c781c
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资源简介：
The National Geologic Map Database (NGMDB) is a Congressionally mandated national archive of geoscience maps, reports, and stratigraphic information. The Geologic...
