A log structure and several people are pictured on the banks of the Colorado River — then known as the Grand River — at Hot Sulphur Springs in this 1870s photograph by W.G. Chamberlain. (Courtesy of Denver Public Library Special Collections, X-9455)
On a good day for the Colorado Central Railroad in spring 1876, it took less than three hours for a passenger train departing Denver to ascend Clear Creek Canyon as far as Floyd Hill.
← April 16–…