TY - BOOK ID - 146116966 TI - Montana coal and lignite deposits PY - 1906 PB - Missoula, Montana, University of Montana, DB - UniCat KW - Coal mines and mining KW - Lignite KW - Mines de charbon UR - https://www.unicat.be/uniCat?func=search&query=sysid:146116966 AB - ER -