Minerals and Mining: An entry from Charles Scribners Sons Africa: An Encyclopedia for Students by Unknow
The Complete Idiots Guide to Vitamins and Minerals (2nd Edition) by Alan H. Pressman D.C. Ph.D. C.C.N.
SIC 1459 CLAY, CERAMIC, AND REFRACTORY MINERALS, NOT ELSEWHERE CLASSIFIED: An entry from Gales Encyclopedia of American Industries by Unknow
Minerals, Collecting, and Value across the US-Mexico Border (Tracking Globalization) by Elizabeth Emma Ferry
Mountains of Jokes About Rocks, Minerals, and Soil: Laugh and Learn About Science (Super Silly Science Jokes) by Unknow