A county-by-county guide to one of the best mineral and fossil collecting regions in the nation. Part one provides general background information of use in planning collecting trips, including a sketch of geologic origins and an overview of New Mexico's mineral products and mining history. Part two describes 150 mineral, rock, gemstone, or fossil collecting sites, eleven museums, and eight national or state parks of geological, paleontological, or archaeological interest. Annotation c. by Book News, Inc., Portland, Or.