Historical map of Colorado : compiled from U.S. Government surveys & other authentic sources, Washington, D.C. 1881.[195-?]."Our sincere thanks to ... Mr. Bruce E. Dines for the Historical Map dated 1881 which is part of 'Crofutt's guide of Colorado,' dated 1882."Date inferred from dates cited in publication credits.Facsimile.Includes historical photos and lists of "Area of counties," "Astronomical positions," and "Arable land."cartographic