TY - RPRT TI - Vanadium deposits near Placerville, San Miguel County, Colorado AU - R. P. Fischer AU - J.C. Haff AU - J.F. Rossinger PY - 1943 DO - 10.3133/ofr4397 UR - https://pubs.usgs.gov/publication/ofr4397 ID - ofr4397 ER -