TY  - RPRT
TI  - The influence of hydraulics on boat trajectories and boating accidents on the Colorado River, Grand Canyon, Arizona
AU  - Margie Marley
PY  - 1987
DO  - 10.3133/ofr87576
UR  - https://pubs.usgs.gov/publication/ofr87576
ID  - ofr87576
ER  -