TY - RPRT TI - Comment and reply on "Delle Phosphatic Member: An anomalous phosphatic interval in the Mississippian (Osagean-Meramecian) shelf sequence of central Utah" AU - Charles Sandberg AU - R.C. Gutschick AU - Morris S. Petersen AU - Forrest G. Poole AU - Willi Ziegler PY - 1991 DO - 10.1130/0091-7613(1991)019<0410:carodp>2.3.co;2 UR - https://pubs.usgs.gov/publication/70206854 ID - 70206854 ER -