ID - 69731033 TI - The cretaceous-tertiary boundary in the San Juan and Raton Basins, New Mexico and Colorado. 209, 1987 AU - FASSETT, James E. AU - RIGBY, Jr., J. Keith PY - 1987 SN - 0813722098 9780813722092 DB - UniCat KW - Cretaceous-Paleogene boundary KW - Geology KW - Geognosy KW - Geoscience KW - Earth sciences KW - Natural history KW - Boundary, Cretaceous-Paleogene KW - Boundary, Cretaceous-Tertiary KW - Cretaceous-Tertiary boundary KW - Cretaceous-Tertiary transition KW - K-Pg boundary KW - K-T boundary KW - Paleogene-Cretaceous boundary KW - Tertiary-Cretaceous boundary KW - Transition, Cretaceous-Tertiary KW - Geology, Stratigraphic UR - https://www.unicat.be/uniCat?func=search&query=sysid:69731033 AB - ER -