TY - RPRT TI - Preliminary aeroradioactivity and geologic map of the Falls City NW quadrangle, Atascosa, Karnes and Wilson Counties, Texas AU - R.D. Brown AU - Dolan H. Eargle AU - Robert M. Moxham PY - 1961 DO - 10.3133/gp249 UR - https://pubs.usgs.gov/publication/gp249 ID - gp249 ER -