TY - BOOK ID - 139036201 TI - Bibliography and index of U.S. Geological Survey publications relating to coal, 1882-1970 AU - Averitt, Paul AU - Lopez, Lorreda AU - Geological Survey (U.S.) PY - 1972 PB - [Washington, D.C.] : Washington : United States Department of the Interior, Geological Survey, United States Government Printing Office. DB - UniCat KW - Coal KW - Coal mines and mining KW - Geological Survey (U.S.) KW - United States. UR - https://www.unicat.be/uniCat?func=search&query=sysid:139036201 AB - ER -