| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 926 |
 |
Ohio Copper Co., Int. Of Tunnel with Gov. & Party | 1923-11-22 | Image/StillImage | dha_scnpp |
| 927 |
 |
Ohio Copper Company | 1925; 1921; 1922; 1923; 1924; 1926; 1927; 1928; 1929 | Image | dha_scp |
| 928 |
 |
Ohio Copper Company Clubhouse | 1919-01-09 | Image | dha_scp |
| 929 |
 |
Ohio Copper Company Mill, Fire Damage | 1918-08-12 | Image | dha_scp |
| 930 |
 |
Ohio Copper Company Mill, Fire Damage | 1918-08-12 | Image | dha_scp |
| 931 |
 |
Ohio Copper Foundation for Tank House | 1919-01-09 | Image | dha_scp |
| 932 |
 |
Ohio Copper Heating Plant | 1919-01-09 | Image | dha_scp |
| 933 |
 |
Ohio Copper Houses | 1919-01-09 | Image | dha_scp |
| 934 |
 |
Ohio Copper Mill | 1909-03-16 | Image | dha_scp |
| 935 |
 |
Ohio Copper Superintendent's House | 1919-01-09 | Image | dha_scp |
| 936 |
 |
Ohio Copper Tank House | 1919-01-09 | Image | dha_scp |
| 937 |
 |
Oil derrick | 1975 | Image | dha_eftl |
| 938 |
 |
Old Dump Car at Garfield Smelter | 1909-04-18 | Image | dha_scp |
| 939 |
 |
Old Dump Car at Garfield Smelter | 1909-04-18 | Image | dha_scp |
| 940 |
 |
Old house--Main Street/Hyde Park (Park City, Utah) | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image | dha_eftl |
| 941 |
 |
Oldsmobile at Arthur Plant | 1920-05-28 | Image | dha_scp |
| 942 |
 |
Oliver Sutch in coal mine work clothes curing coal mine rescue operations, 1920 | 1920 | Image | dha_eftl |
| 943 |
 |
Oliver Sutch on far right of Spring Canyon Coal Co. Group n.d. | Image | dha_eftl | |
| 944 |
 |
Ontario | 1975 | Image | dha_eftl |
| 945 |
 |
Ontario Mill | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image | dha_eftl |
| 946 |
 |
Ontario Mine | 1975 | Image | dha_eftl |
| 947 |
 |
Ontario Mine interior - Daly Mine, n.d. | Image | dha_eftl | |
| 948 |
 |
Ontario Mine Park City, Utah | 1890; 1891; 1892; 1893; 1894; 1895; 1896; 1897; 1898; 1899; 1900; 1901; 1902; 1903; 1904; 1905; 1906; 1907; 1908; 1909; 1910; 1911; 1912; 1913; 1914; 1915 | Image | dha_upc |
| 949 |
 |
Ophir | 1903-06-20 | Image | dha_scp |
| 950 |
 |
Ophir - General View West Side of Canyon | 1930; 1926; 1927; 1928; 1929; 1931; 1932; 1933; 1934 | Image | dha_scp |