TY - RPRT TI - Principal reference section for the Santa Rosa formation of Middle and Late Triassic age, Guadalupe County, New Mexico AU - Warren Irvin Finch AU - Robert Lupe AU - Sidney R. Ash PY - 1988 DO - 10.3133/b1804 UR - https://pubs.usgs.gov/publication/b1804 ID - b1804 ER -