TY - RPRT TI - Map showing Quaternary geology and geomorphology of the Granite Park area, Grand Canyon, Arizona AU - Richard Hereford AU - Kelly J. Burke AU - Kathryn S. Thompson PY - 2000 DO - 10.3133/i2662 UR - https://pubs.usgs.gov/publication/i2662 ID - i2662 ER -