TY - RPRT TI - Preliminary geologic map of the Freer NE Quadrangle, Duval County, Texas AU - D. H. Eargle AU - K. A. Dickinson PY - 1974 DO - 10.3133/ofr7442 UR - https://pubs.usgs.gov/publication/ofr7442 ID - ofr7442 ER -