TY - RPRT TI - Nomenclature and correlation of some upper Precambrian and basal Cambrian sequences in western Utah and southeastern Idaho AU - Max D. Crittenden AU - Frederick E. Schaeffer AU - D. E. Trimble AU - Lee A. Woodward PY - 1971 DO - 10.1130/0016-7606(1971)82[581:nacosu]2.0.co;2 UR - https://pubs.usgs.gov/publication/70227309 ID - 70227309 ER -