Oklahoma - Area of significance: Agriculture
| Adams Woodframe Grain Elevator |
| Antelope Hills |
| Arcadia Round Barn |
| Big V Ranch House |
| Bourne Dairy |
| Burrus Mills Elevator C |
| Caddo County Medicine Creek Archeological District |
| Carr, George, Ranch House |
| CCC Ranch Headquarters |
| Chapman-Barnard Ranch Headquarters |
| Cotton Storage House |
| Cronkhite Ranch House |
| Davison Silo |
| Dow Grain Company Elevator |
| Enid Terminal Grain Elevators Historic District |
| Eva Woodframe Grain Elevator |
| Farmers Co-op Elevator |
| Farmers' Co-op Elevator |
| Farmers' Exchange Elevator |
| Farmers' Federation Elevator |
| Farmers Public Market |
| Ferguson House |
| Feuquay Elevator |
| First Soil Conservation District Dedication Site |
| Floris Grain Elevator |
| Fuksa, John and Mary, Farm |
| Fullerton Dam |
| Haley's Point Site |
| Hooker Woodframe Grain Elevator |
| Hopkins Sandstone House and Farmstead |
| Hough Woodframe Elevator |
| Ingersoll Tile Elevator |
| Ingram House |
| Kiel-Dover Farmers Elevator |
| Knowles Grain Elevator |
| Magruder Plots |
| McCurtain, Edmund, House |
| Moore Ranch |
| Mouser Grain Elevator |
| Mouser Woodframe Grain Elevator/Collingwood Elevator |
| Old Settler's Irrigation Ditch |
| One-hundred-and-one Ranch |
| Optima Grain Elevator |
| Overstreet House |
| Perryman Ranch Headquarters |
| Reynolds, James E., House |
| Rio Grande Ranch Headquarters Historic District |
| Rose Hill Plantation |
| Shinn Family Barn |
| Sod House |
| Sooner Co-op Association Elevator (West) |
| Stevens Rock Shelter |
| Stockyards City Historic District |
| Tipton, J.P., Farmstead |
| Tracey Woodframe Grain Elevator |
| Turpin Grain Elevator |
Data from United States Park Service and Wikidata
