TY - BOOK ID - 137348003 TI - Argentian cryptomelane and bromargyrite in volcanic rocks near Silver Cliff, Colorado AU - Hildebrand, Fred A. AU - Mosier, Elwin L. PY - 1974 PB - Washington United States Geological Survey, Department of the Interior DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:137348003 AB - ER -