@misc{indiciaea0a1fc7048d3, title = {Geology and ground-water resources of the "Equus beds" area in south central Kansas}, author = {Stanley William Lohman and John Chapman Frye}, year = {1940}, doi = {10.2113/gsecongeo.35.7.839}, url = {https://pubs.usgs.gov/publication/70174986}, note = {Source identifier: 70174986} }