@misc{indiciaedff843364a21, title = {Late Pleistocene C4 plant dominance and summer rainfall in the southwestern United States from isotopic study of herbivore teeth}, author = {S.L. Connin and J. Betancourt and Jay Quade}, year = {2017}, doi = {10.1006/qres.1998.1986}, url = {https://pubs.usgs.gov/publication/70020678}, note = {Source identifier: 70020678} }