Verlag: United States Geological Survey., 1960
Anbieter: Eryops Books, Stephenville, TX, USA
No Binding. Zustand: Good. Two Large folded sheets in printed envelope; includes two geologic maps superposed on topographic contours, description of map units, and details of hydrothermal alteration; ex-corporate library; tiny hole in one sheet, o/w both sheets in good condition. Map.