TY - RPRT TI - A model for lignin alteration - Part II: Numerical model of natural gas generation and application to the Piceance Basin, Western Colorado AU - D.F. Payne AU - P.J. Ortoleva PY - 2001 DO - 10.1016/s0146-6380(01)00081-x UR - https://pubs.usgs.gov/publication/70023036 ID - 70023036 ER -