TY  - RPRT
TI  - Geology and ground-water resources of the Big Sandy Creek Valley, Lincoln, Cheyenne, and Kiowa Counties, Colorado
AU  - Donald L. Coffin
AU  - Clarence Albert Horr
PY  - 1967
DO  - 10.3133/wsp1843
UR  - https://pubs.usgs.gov/publication/wsp1843
ID  - wsp1843
ER  -