TY  - RPRT
TI  - Dating prehistoric tributary debris fans, Colorado River, Grand Canyon National Park, Arizona with implications for channel evolution and river navigability
AU  - Richard Hereford
PY  - 1997
DO  - 10.3133/ofr97167
UR  - https://pubs.usgs.gov/publication/ofr97167
ID  - ofr97167
ER  -