@misc{indiciae595de83b0997, title = {Paleoclimatic reconstruction using the correlation in δ 18 O of hackberry carbonate and environmental water, North America}, author = {A. Hope Jahren and Ronald Amundson and Carol Kendall and Peter Wigand}, year = {2017}, doi = {10.1006/qres.2001.2259}, url = {https://pubs.usgs.gov/publication/70023383}, note = {Source identifier: 70023383} }