(CO.- Northwest) North-Western Colorado And Part Of Utah projection rivers and major mountain ranges

rivers and major mountain ranges

A beautiful illustrated text analyzes development

By this time the copper mining boom was in full swing

This very rare map

Distilling its complex terrain into drainages

(CO.- Northwest) North-Western Colorado And Part Of Utah projection rivers and major mountain ranges(CO. Northwest) North Western Colorado And Part Of Utah. Hayden, 1877 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 in depth grasp of the mountainous state. Working with his band of men, scientists and engineers, from 1873 to 1876,