TY  - RPRT
TI  - Topographic map of the Nankoweap Rapids area, Marble Canyon, Arizona
AU  - Richard Hereford
AU  - K. S. Thompson
PY  - 1994
DO  - 10.3133/ofr94564
UR  - https://pubs.usgs.gov/publication/ofr94564
ID  - ofr94564
ER  -