TY - RPRT TI - Stratigraphy and depositional environments of the late Campanian coal-bearing Neslen/Mount Garfield formations, eastern Book Cliffs, Utah and Colorado AU - M.A. Kirschbaum AU - R. D. Hettinger PY - 1998 DO - 10.3133/ofr9843 UR - https://pubs.usgs.gov/publication/ofr9843 ID - ofr9843 ER -