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These are shapefiles and coverages of data points used in the assessment of coal zones A, B, C, and D in the Yampa coal field, northwestern Colorado. There are four separate shapefiles, one for...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 01, 2026 at 06:08 AM -
In order to better define the size of the thermal anomaly in the Raft River Valley, Idaho, the U.S. Geological Survey drilled a series of intermediate-depth (nominal 500-ft depth) wells in 1977...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 12:58 AM -
This is a point file that contains data for coal and other stratigraphic horizons in in the Calico and A-sequences of the Straight Cliffs Formation (Upper Cretaceous) east of 112 degrees of...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 03:37 AM -
This ArcView shapefile contains a digital point data representation of the public drill hole data used in coal resource calculations for the Knobloch coal resource unit. This theme was created...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:23 AM
