@misc{indiciaef2f4d49b77eb, title = {Ground-water resources of parts of Weld, Logan, and Morgan Counties, Colorado with a section on the chemical quality of the ground water}, author = {L.J. Bjorklund and F. H. Rainwater}, year = {1957}, doi = {10.3133/ha9}, url = {https://pubs.usgs.gov/publication/ha9}, note = {Source identifier: ha9} }