TY  - RPRT
TI  - Annual precipitation in the Yellowstone National Park region since AD 1173
AU  - Stephen T. Gray
AU  - Lisa J. Graumlich
AU  - Julio L. Betancourt
PY  - 2017
DO  - 10.1016/j.yqres.2007.02.002
UR  - https://pubs.usgs.gov/publication/70004008
ID  - 70004008
ER  -