John Wesley Powell (1834-1902). American geologist and director of the USGS.
H.W. Turner – Geologist and author.
Library Edition. One of the 227 folios issued by the USGS between 1894 and 1945. Large format soft bound.
Digital Copy of this book can be found at https://oaktrust.library.tamu.edu/handle/1969.1/3012