Base map from copper plate base of the general land office.; "November 1, 1923."; Engraved by R.F. Bartle & Co., Washington D.C.; Includes 11 inset maps.; Relief shown by hachures and bathymetry isolines.; Shows federal aid highways, forest roads, national forests, parks and monuments, and Indian reservations. 149 x 207 centimeters, on sheets 160 x 112 centimeters Scale 1:2,344,320; 1 inch = 37 miles General Map Collection