TY - RPRT TI - Cooccurrence of Fe-, Fe-Ca-, and Ca-phosphate minerals in concretions within the Monterey Formation; a record of uplift of the Santa Maria Basin, California AU - D.Z. Piper AU - C.M. Isaacs AU - M.D. Medrano AU - Margaret A. Keller PY - 1993 DO - 10.3133/b1995c UR - https://pubs.usgs.gov/publication/b1995C ID - b1995C ER -