Measures 5-1/2" x 8-1/2" with 23 pages.
Covers the Geological History of the Keweenaw Region, covering many minerals found there. Quartz, Chert, Agate, Jasper, Chlorite, Epidote, Prehnite, Calcite, along with Minerals like copper, Datolite, Chlorastrolite (Greenstone) and Thomsonite.
Very informative.

Condition - Excellent. NEW...