TY - BOOK ID - 137935198 TI - Comparisons between cross-measure boreholes and surface gob holes AU - Goodman, Tobias W. AU - Cervik, Joseph. AU - United States. PY - 1986 PB - [Pittsburg, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, DB - UniCat KW - Coalbed methane drainage. KW - Longwall mining. UR - https://www.unicat.be/uniCat?func=search&query=sysid:137935198 AB - ER -