xii, 170 pp. With numerous plates & text illustrations; 5 fold-out relief maps at rear, 1 in color. 29.3x22.5 cm (11½x8¾"), original cloth, spine lettered in gilt. Second Edition.
Detailed descriptions and geological examinations of the Henry Mountains of southern Utah conducted in 1875 and 1876. The Henry Mountains were the last mountain range discovered in the contiguous United States. This second edition is enlarged from the 1877 first edition.