TY - RPRT TI - Depositional sequence stratigraphy and architecture of the cretaceous ferron sandstone: Implications for coal and coalbed methane resources - A field excursion AU - J.R. Garrison AU - Bergh T. C. V. Van Den AU - C.E. Barker AU - D.E. Tabet PY - 1997 UR - https://pubs.usgs.gov/publication/70019477 ID - 70019477 ER -