TY - BOOK ID - 135271210 TI - Mineral resources of the Gunnison Gorge wilderness study area, Montrose and Delta counties, Colorado AU - Armbrustmacher, Theodore J. AU - Barton, Harlan N. AU - Kulik, Dolores M. PY - 1989 PB - Washington (D.C.): US. Government printing office DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:135271210 AB - ER -