TY  - RPRT
TI  - Water, population pressure, and ancient Indian migrations
AU  - D. O’Bryan
AU  - M. E. Cooley
AU  - T. C. Winter
PY  - 2011
DO  - 10.1029/eo050i006p00438
UR  - https://pubs.usgs.gov/publication/70224297
ID  - 70224297
ER  -