TY  - RPRT
TI  - Topographic map of the Granite Park area, Grand Canyon, Arizona
AU  - Richard Hereford
AU  - K. S. Thompson
PY  - 1994
DO  - 10.3133/ofr94563
UR  - https://pubs.usgs.gov/publication/ofr94563
ID  - ofr94563
ER  -