@misc{indiciae96e40a54c520, title = {Geologic map of the Cotton City quadrangle and the adjacent part of the Vanar Quadrangle, Hidalgo County, New Mexico}, author = {Harald Drewes and C.H. Thorman}, year = {1980}, doi = {10.3133/i1221}, url = {https://pubs.usgs.gov/publication/i1221}, note = {Source identifier: i1221} }