"A very important collection of slides and negatives of photographs taken in the years 1936-1938, showing my interest at that time in dryland farming, water problems, rural life in Colorado and the west, Indian affairs, and especially the life of Mexican workers in Chihuahua region. Anyone studying these photographs carefully and comparing them with the imagery of my novel on the Platte will find almost all the great visual impacts already defined... by 1936. Almost everything I wrote about in the novel had been earlier defined by me, and carefully sought out: the look of the land, the character of the children, the sandstone figures along the Wyoming border, and the sunsets, the roll of the prairie, the look of an old house. Missing are the Herefords; I used to study them carefully at Roggen but never when my camera was with me. If I had not taken these photographs in 1936, and implanted them on my mind, studying them often when I was miles away from Colorado, I would never have written the novel. It was the persistence of these images that kept the ideas vital, and some of them appeared in Iberia years before I got around to writing about Colorado." Folders: I.43 Centennial. Photographs. 1936-38. Folder list: Adobe buildings Buttes/bluffs Cattle Children Central City Colorado-Cameron Pass Colorado-CSCE Colorado-Devil's Backbone Colorado-Rocky Mountain National Park Desert Desert country-slides marked "CR+number" Farm-slides marked "D8" Farms/ranches Game animals Houses Indians Lakes Markets Mexico Mexico?-slides marked "M+number" Mexico-bullfighting Mexico-churches Mexico-towns Mexico-water Mines Mountains National Parks-slides marked "W+number" National Parks-slides marked "J+number" Pennsylvania?-slides marked "B+number" Plains Plants Sugar factory Trees Washington, D.C., South-slides marked "P+number" Zoo