TY - BOOK ID - 136886068 TI - Mineral resources of the Wilson Mountains Primitive Area, Colorado AU - Bromfield, Calvin Stanton AU - Williams, Frank E. AU - Popenoe, Peter PY - 1972 PB - Washington United States Geological Survey, Department of the Interior DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136886068 AB - ER -