Geology of the Lower White River coal field, Northwest Colorado (lwrgeolg)

Geologic units of the Lower White River coal field. The original scale is 1 : 500000. The Deserado coal area was modified using 1 : 24,000-scale geologic maps.下怀特河煤田地质单元。原始比例尺为1:500000。德塞拉多煤区已采用1:24000比例尺地质图完成修编。