TY - RPRT TI - New evidence for a Pliocene marine embayment along the lower Colorado River area, California and Arizona AU - Patsy Beckstead Smith PY - 1970 DO - 10.1130/0016-7606(1970)81[1411:nefapm]2.0.co;2 UR - https://pubs.usgs.gov/publication/70226580 ID - 70226580 ER -