TY - RPRT TI - History of nomenclature and stratigraphy of rocks adjacent to the Cretaceous-Tertiary boundary, western San Juan Basin, New Mexico AU - E.H. Baltz AU - S.R. Ash AU - R.Y. Anderson PY - 1966 DO - 10.3133/pp524d UR - https://pubs.usgs.gov/publication/pp524D ID - pp524D ER -