@misc{indiciae98793080e777, title = {Pliocene and Pleistocene geologic and climatic evolution in the San Luis Valley of south-central Colorado}, author = {K.L. Rogers and E.E. Larson and G. Smith and D. Katzman and G.R. Smith and T. Cerling and Y. Wang and R. G. Baker and K.C. Lohmann and C.A. Repenning and P. Patterson and G. Mackie}, year = {1992}, doi = {10.1016/0031-0182(92)90113-j}, url = {https://pubs.usgs.gov/publication/70017237}, note = {Source identifier: 70017237} }