TY - RPRT TI - Impact breccias in carbonate rocks, Sierra Madera, Texas AU - H. G. Wilshire AU - Keith A. Howard AU - Terry W. Offield PY - 1971 DO - 10.1130/0016-7606(1971)82[1009:ibicrs]2.0.co;2 UR - https://pubs.usgs.gov/publication/70198177 ID - 70198177 ER -