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These are shapefiles and ARC/INFO polygon coverages showing the isopachs of total net coal in beds greater than or equal to 1.2' thick for the A, B, C, and D coal zones in the Williams Fork...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 09:32 PM -
This is a shapefile of the structure contours on top of the Trout Creek Sandstone Mbr.in the Yampa coal field, northwestern Colorado.
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These are shapefiles and coverages that represent areas of combined State and Federal coal leases and mined-out areas in the Yampa coal field. Yamaleasg contains polygons for which resources were...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 10:14 PM -
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: May 05, 2026 at 10:09 PM -
This shapefile and coverage includes anticlines and synclines in the Yampa coal field captured at 1 : 500,000 scale.
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 07:42 PM -
These are shapefiles and coverages that outline the areas underlain by the A, B, C, and D coal zones in the Yampa coal field. They delimit the area within which resources were calculated and...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 08:25 PM -
This is a shapefile and unioned polygon ownership coverage used to calculate coal resources of the A through D coal zones, Yampa coal field, northwestern Colorado. Polygons that have been combined...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 10:07 PM -
This file depicts the geologic faults contained within the Yampa coal field.
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Active and inactive coal mine polygons of the Yampa coal field.
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Geologic units of the Yampa coal field.
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 08:21 PM
