Found 2 datasets matching filters.
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This digital map shows the areal extent of surficial deposits and rock stratigraphic units (formations) as compiled by Trimble and Machette from 1973 to 1977 and published in 1979 under the...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This ArcView shapefile contains a polygon representing the extent of the Denver coal basin boundary. This theme was created specifically for the National Coal Resources Assessment in the Northern...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03
