Surficial Geology 1:250,000 (Hosted Feature Layer)
收藏MassGIS Open Data2026-05-15 更新2026-05-16 收录
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https://open-data-massgis.hub.arcgis.com/maps/dea8fa43caf3443fab94aaf6f9af08ad
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资源简介：
Massachusetts surficial geology data showing the location of sand and gravel deposits delineated atop U.S. Geological Survey 1:250,000 map sheets.
创建时间：
2026-05-07
