TY - RPRT TI - Significance of new potassium-argon ages from the Goldens Ranch and Moroni Formations, Sanpete-Sevier Valley area, central Utah AU - I. J. Witkind AU - R. F. Marvin PY - 1989 DO - 10.1130/0016-7606(1989)101<0534:sonpaa>2.3.co;2 UR - https://pubs.usgs.gov/publication/70015614 ID - 70015614 ER -