I
- In Front of Buckingham's General Store, ca. 1898 (1)
- In the Bar (14)
- Indian Baby with Cradleboard (1)
- Indian Bone Game on Fourth of July (2)
- Indian Chiefs (1)
- Indian Children (1)
- Indian Massacre, ca. 1911 (2)
- Indians, 1936 (1)
- Inscription on Bunkhouse Exterior (1)
- Inset in Sandstone Gable Interior "1879" (1)
- Inside the Flour Mill at the Mill Ranch, ca. 1922 (1)
- Inspecting Chinese Artifacts (1)
- Interior Main Floor of Barn (1)
- Interior of Adobe Building (1)
- Interior of Former Blacksmith Shop (2)
- Interior of Former Schoolhouse (1)
- Interior of Horse Barn (1)
- Interior of Meeting Hall (2)
- Interior of Miller Cellar (1)
- Interior of Old Theater (1)
- Interior of Outbuilding (1)
- Interior of Saddle Shed (1)
- Interior of Slaughterhouse (1)
- Interior of Stew's Farm and Automotive (2)
- Interview in Nichols's Mobile Home (1)
- Iron Fence Around Grave (1)
- Iron Gate Hinge at Opening to Corral (1)
- Iron Ore Bucket (1)
- Iron Sheep Shears (1)
- Irrigation Dam, 1920 (1)
- Irrigation Ditch (2)
- Irrigation Pivot (2)
- Irrigation (9)
- Italian Sweater (1)