| | Title | Date | Type |
|---|
| 551 |  | Tunnel/portal--Judge Mine, 1970 | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image |
| 552 |  | Two men in doorway of unidentified building at Fish Springs Mining District | | Image |
| 553 |  | Two men in front of Fairbanks Morse and Co Engine and Generator at Fish Springs Mine [copy negative] | | Image |
| 554 |  | Two men standing in doorway of L.O. Schofield Furniture Store | | Image |
| 555 |  | Two men standing with machinery on roll floor, Cactus Mill | | Image |
| 556 |  | Two men stoking fire | 1910; 1911; 1912; 1913; 1914; 1915; 1916; 1917; 1918; 1919; 1920; 1921; 1922; 1923; 1924; 1925; 1926; 1927; 1928; 1929; 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; ... | Image |
| 557 |  | Two men stoking fire | 1910; 1911; 1912; 1913; 1914; 1915; 1916; 1917; 1918; 1919; 1920; 1921; 1922; 1923; 1924; 1925; 1926; 1927; 1928; 1929; 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; ... | Image |
| 558 |  | Two unidentified buildings at Fish Springs Mining District | | Image |
| 559 |  | U. V. Industries, Inc Assay and Research Laboratories | 1975 | Image |
| 560 |  | U.S. Smelting and Refining Co - Flotation Mill | 1975 | Image |
| 561 |  | Unidentified building (northwest of Highway 40) | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image |
| 562 |  | Unidentified Building at Fish Springs Mining District | | Image |
| 563 |  | Unidentified buildings in winter (Park City, Utah) | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image |
| 564 |  | Unidentified man | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image |
| 565 |  | Unidentified mine in winter (Park City, Utah) | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image |
| 566 |  | Unidentified mine in winter (Park City, Utah) | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image |
| 567 |  | United States Smelting Refining and Mining Co. [HAER UT-67-15] | | Image |
| 568 |  | United States Smelting Refining and Mining Co. [HAER UT-67-16] | | Image |
| 569 |  | United States Smelting Refining and Mining Co. [HAER UT-67-26] | | Image |
| 570 |  | United States Smelting Refining and Mining Co. [HAER UT-67-4] | | Image |
| 571 |  | United States Smelting Refining and Mining Co., Flotation Mill [HAER UT-67-11] | | Image |
| 572 |  | United States Smelting Refining and Mining Co., Interior in snow [HAER UT-67-13] | | Image |
| 573 |  | United States Smelting Refining and Mining Co., Interior view [HAER UT-67-14] | | Image |
| 574 |  | United States Smelting Refining and Mining Co., Interior yard [HAER UT-67-12] | | Image |
| 575 |  | United States Smelting Refining and Mining Co., Railroad trestle [HAER UT-67-17] | | Image |
