@misc{indiciaeafe584bb8e37, title = {Geologic environment of the Van Norman Reservoirs area}, author = {R. F. Yerkes and M. G. Bonilla and T. L. Youd and J.D. Sims}, year = {1974}, doi = {10.3133/cir691a}, url = {https://pubs.usgs.gov/publication/cir691A}, note = {Source identifier: cir691A} }