TY - RPRT TI - Geostatistical modeling of the gas emission zone and its in-place gas content for Pittsburgh-seam mines using sequential Gaussian simulation AU - Cevat O. Karacan AU - Ricardo A. Olea AU - G. Goodman PY - 2012 DO - 10.1016/j.coal.2011.10.010 UR - https://pubs.usgs.gov/publication/70032250 ID - 70032250 ER -