TY  - RPRT
TI  - Holocene Treeline Fluctuations in the Northern San Juan Mountains, Colorado, U.S.A., as Indicated by Radiocarbon-Dated Conifer Wood
AU  - Paul E. Carrara
AU  - Deborah A. Trimble
AU  - Meyer Rubin
PY  - 1991
DO  - 10.2307/1551601
UR  - https://pubs.usgs.gov/publication/70209946
ID  - 70209946
ER  -