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Final unioned files for Yampa coal field resource calculations, northwestern Colorado (yam*fing)

Dates

Publication Date
Start Date
1995
End Date
1998
Release Date
2000

Citation

Johnson, E., Roberts, L., Brownfield, M.E., 2000, Final unioned files for Yampa coal field resource calculations, northwestern Colorado (yam*fing): U.S. Geological Survey data release, https://doi.org/10.5066/P9K9I5MP.

Summary

These are shapefiles and final unioned polygon coverages used to calculate coal resources of the A through D coal zones, Yampa coal field, northwestern Colorado. Yamafing was used for the A coal zone, yambfing was used for the B coal zone, etc. Polygons that make up the final unioned polygons include counties, 7.5' quadrangles, townships, surface and coal ownership, leased areas, net coal thickness categories, and overburden categories. The final unioned coverage for each coal zone, was clipped by the resource boundary polygon of each coal zone. These polygons are described in the metadata files for the yam_bnd coverages.

Contacts

Attached Files

Click on title to download individual files attached to this item.

yamfing.jpg thumbnail 59.28 KB image/jpeg
Shapefile: yamafing.zip
yamafing.dbf 219.59 KB
yamafing.prj 167 Bytes
yamafing.sbn 14.5 KB
yamafing.sbx 1.43 KB
yamafing.shp 399.23 KB
yamafing.shx 11.27 KB
Shapefile: yambfing.zip
yambfing.dbf 147.64 KB
yambfing.prj 167 Bytes
yambfing.sbn 8.72 KB
yambfing.sbx 740 Bytes
yambfing.shp 218.44 KB
yambfing.shx 7.15 KB
Shapefile: yamcfing.zip
yamcfing.dbf 160.55 KB
yamcfing.prj 167 Bytes
yamcfing.sbn 9.28 KB
yamcfing.sbx 860 Bytes
yamcfing.shp 241.59 KB
yamcfing.shx 7.59 KB
Shapefile: yamdfing.zip
yamdfing.dbf 139.16 KB
yamdfing.prj 167 Bytes
yamdfing.sbn 8.39 KB
yamdfing.sbx 820 Bytes
yamdfing.shp 215.85 KB
yamdfing.shx 6.75 KB

Purpose

The Nation's coal resources are being assessed by the USGS. This assessment identifies and characterizes the coal beds and coal zones that will provide the bulk of the nation's coal-derived energy during the next century. This assessment is different from previous large-scale USGS assessments because files and databases are being stored in a digital format and are being analyzed using a Geographic Information System (GIS).

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9K9I5MP

Shapefile Extension

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