TY - RPRT TI - Preliminary data report for the San Juan Basin-Crownpoint surveillance study AU - Peter F. Frenzel AU - Steven D. Craigg AU - Elizabeth T. Padgett PY - 1981 DO - 10.3133/ofr81484 UR - https://pubs.usgs.gov/publication/ofr81484 ID - ofr81484 ER -