TY - RPRT TI - Map showing Quaternary geology and geomorphology of the Nankoweap Rapids area, Marble Canyon, Arizona AU - Richard Hereford AU - Kelly J. Burke AU - Kathryn S. Thompson PY - 1996 DO - 10.3133/ofr96502 UR - https://pubs.usgs.gov/publication/ofr96502 ID - ofr96502 ER -