(Colorado) Northern Central... Books & Atlases a clearly noted land of

a clearly noted land of the "Cherakis" is shown

With its original guide book in excellent condition still attached

but with no loss

west to Halsted and east to the Lake

(Colorado) Northern Central... Books & Atlases a clearly noted land ofNorthern Central Colorado. The work of F. V. Hayden and his men is foundational to the mapping of Colorado. While the Hayden survey worked through vast swathes of the West, including Wyoming, Utah, Montana and other areas, their study and mapping of Colorado is unparalleled and gave a new and indepth grasp of the mountainous state. Working with his band of men, scientists and engineers, from 1873 to1876, they mapped the state's topography and geology