TY - RPRT TI - Map showing Quaternary geology and geomorphology of the Nankoweap Rapids area, Marble Canyon, Arizona AU - Richard Hereford AU - K. J. Burke AU - K. S. Thompson PY - 1998 DO - 10.3133/i2608 UR - https://pubs.usgs.gov/publication/i2608 ID - i2608 ER -