Norman, OK: University of Oklahoma Press, September, 1966. Later printing. Paperback. 410pp. Octavo [23.5 cm] Illustrated wraps. NEW. Item #19760
An excellent history of the beginnings of the USGS, and a must for anyone with an interest in the exploration and cartography of the west. This book is probably not as well known as Stegner's 'Beyond the Hundredth Meridian', but just as important.