Up for bid is a USGS Bulletin 795 Plate 12 consisting of a Map of Yellowstone National Park Region, Showing Phosphate Outcrops.Map is in very good condition. Measures 33 inches x 19 inches. Explanation: Phosphoria (Permian) and Quadrant (Pennsylvanian and upper Mississippian) formations-Outcrop or the phosphate bed of the Phosphoria formation where more than 6 inches thick.

On Dec-08-07 at 07:07:18 PST, seller added the following information:
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Seller BidPay ID: shaftertx