GYPSIFEROUS DEPOSITS ON SHEEP MOUNTAIN, ALASKA. USGS Bulletin #989-C
Eckhart, Richard A.
Wash: 1951, pp39-61 + maps in pocket Wraps, very good (Item ID: 2513)
$12.50
Wash: 1951, pp39-61 + maps in pocket Wraps, very good (Item ID: 2513)
$12.50