THE NATURAL LANDSCAPE OF NORTHWESTERN CHIHUAHUA.
Albuquerque, NM: University of New Mexico Press, 1937. Paperback. 6 x 9, 86 pgs, b&w photos, 2 fold out maps. Bulletin 316, Geological Series Vol. 5 No. 2. More
Albuquerque, NM: University of New Mexico Press, 1937. Paperback. 6 x 9, 86 pgs, b&w photos, 2 fold out maps. Bulletin 316, Geological Series Vol. 5 No. 2. More
Albuquerque, NM: University of New Mexico Press, 1936. Pamphlet. 6 x 9, 27 pgs, with fold out map at center. Number 280, Biological Series, Vol. 4, No. 4. More