TY  - RPRT
TI  - The determination of snow avalanche frequency through tree-ring analysis and historical records at Ophir, Colorado
AU  - Paul E. Carrara
PY  - 1979
DO  - 10.1130/0016-7606(1979)90<773:tdosaf>2.0.co;2
UR  - https://pubs.usgs.gov/publication/70209943
ID  - 70209943
ER  -