TY - MAP ID - 136560163 TI - Mineral resource potential and geology of the San Juan National Forest, Colorado : plate 3-4 AU - Van Loenen, Richard E. AU - Gibbons, Anthony B. PY - 1997 PB - Washington (D.C.) U.S. Geological Survey DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136560163 AB - ER -