@misc{indiciaeaad647d53bac, title = {Geohydrologic reconnaissance of Lake Mead National Recreation Area; Opal Mountain to Davis Dam, Nevada}, author = {C.B. Bentley}, year = {1979}, doi = {10.3133/ofr79692}, url = {https://pubs.usgs.gov/publication/ofr79692}, note = {Source identifier: ofr79692} }