Clark L. D. 1976 STRATIGRAPHY OF THE NORTH HALF OF THE WESTERN SIERRA NEVADA METAMORPHIC BELT CALIFORNIA U. S. Geological Survey Professional Paper #923 4to, in wraps as issued, some wear to wraps and contents from use but a good solid copy for reading and reference with 26 pp., 1 plate (folding map in rear pocket), and 3 figures. Hard to find.  Buyer/highest bidder pays shipping, payments via Ebay preferred. Items shipped within 5 business days from receipt and clearance of payment, tracking will be posted. For more geology paleontology gold silver and other ore mining mineralogy and related geoscience and natural history books bulletins atlases and maps, please browse my other auctions.

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