TY - RPRT TI - Analytical results from samples collected during coal-bed methane exploration drilling in Caldwell Parish, Louisiana AU - Peter D. Warwick AU - F. Clayton Breland AU - Paul C. Hackley AU - Frank T. Dulong AU - Douglas J. Nichols AU - Alexander W. Karlsen AU - R. Marc Bustin AU - Charles E. Barker AU - Jason C. Willett AU - Michael H. Trippi PY - 2006 DO - 10.3133/ofr20061213 UR - https://pubs.usgs.gov/publication/ofr20061213 ID - ofr20061213 ER -