TY - RPRT TI - Sr isotope evidence for a lacustrine origin for the upper Miocene to Pliocene Bouse Formation, lower Colorado River trough, and implications for timing of Colorado Plateau uplift AU - J.E. Spencer AU - P. J. Patchett PY - 1997 DO - 10.1130/0016-7606(1997)109<0767:siefal>2.3.co;2 UR - https://pubs.usgs.gov/publication/70019761 ID - 70019761 ER -