Weir gordon robert mcdowell (1 Ergebnisse)

No Binding. Zustand: Very Good. Large folded sheet consisting of a geologic map superposed on topographic contours and with structure contours, a cross-section, a columnar section with description of units, an explanation of economic geology, a diagram showing relations of Ordovician units, and references cited; in printed envelope; ex-corporate library; small tear on map, o/w in good condition. Map.…