Final unioned polygon coverage used in coal resource calculations, San Juan Basin, CO and NM (sjbfing)
Published By U.S. Geological Survey, Department of the Interior
Issued about 9 years ago
US
beta
Summary
Description
This is a shapefile and the final unioned polygon coverage used to calculate coal resources of the Fruitland Formation, San Juan Basin coal assessment area, Colorado and New Mexico. Polygons that make up the final unioned polygons include counties, 7.5' quadrangles, townships, surface and coal ownership, reliability, overburden categories, and net coal thickness categories. The final unioned coverage was clipped by the resource boundary polygon, which is described in the metadata file for the shapefile SJB_BND.