Draft Geologic map of the Goshen 15' quadrangle and the northern (New York) portion of the Greenwood Lake 15' quadrangle. 1:62,500 scale. (hand colored).
Draft Geologic map of the Goshen 15' quadrangle and the northern (New York) portion of the Greenwood Lake 15' quadrangle. 1:62,500 scale. (hand colored).