remain the same in each issue of the bibliography, new ones are included and others are discontinued as...headings are: ALABAMA, ALBERTA, CANADA, JAMAICA, MEXICO, NEVADA, and UNITED STATES. CANADA and UNITED STATES...the layman. Rock names and areas; restricted to new or unusual rocks or detailed descriptions. Special...are as follows: COLORADO. Mineralogy. Montrose County, uranium-vanadium deposits: Weeks, A. D., 13R....Iron, Cook County, titaniferous magnetite: Grout, F. F., 5. IRON. Minnesota, Cook County, titaniferous |