Danforth Hills coal resources calculation area, Northwest Colorado (dan*bndg)

These are shapefiles and ARC/INFO coverages that outline the areas within which coal resources are calculated and reported for the A/B through G coal zones, Danforth...本数据集包含形状文件（Shapefile）与ARC/INFO覆盖数据（ARC/INFO coverages），用于勾勒A/B至G号煤组的煤炭资源核算与报告范围，相关范围覆盖丹福思（Danforth）……