TY - RPRT TI - Clay minerals in two South Texas roll-type uranium deposits AU - Richard L. Reynolds AU - M. B. Goldhaber AU - P.D. Blackmon AU - H.C. Starkey AU - N.S. Fishman PY - 1980 DO - 10.3133/ofr80838 UR - https://pubs.usgs.gov/publication/ofr80838 ID - ofr80838 ER -