TY  - RPRT
TI  - Historical rock falls in Yosemite National Park, California
AU  - Gerald F. Wieczorek
AU  - James B. Snyder
PY  - 2004
DO  - 10.3133/ofr03491
UR  - https://pubs.usgs.gov/publication/ofr03491
ID  - ofr03491
ER  -