TY - RPRT TI - Biogenic and nonbiogenic ore-forming processes in the south Texas uranium district; evidence from the Panna Maria deposit AU - Richard L. Reynolds AU - Martin B. Goldhaber AU - D. Carpenter PY - 1982 DO - 10.2113/gsecongeo.77.3.541 UR - https://pubs.usgs.gov/publication/70209699 ID - 70209699 ER -