| | Title | Date | Type |
|---|
| 201 |  | Historical plaque for Tintic Hospital | 1975 | Image |
| 202 |  | Hoist | 1975 | Image |
| 203 |  | Hoist engine--Ontario #2 | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image |
| 204 |  | Hoists, tipples, 1 | 1975 | Image |
| 205 |  | Hoists, tipples, 2 | 1975 | Image |
| 206 |  | Homes in Newhouse, Utah | | Image |
| 207 |  | Homestead at Fish Springs | | Image |
| 208 |  | Hot pots, general view (Midway, Utah) | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image |
| 209 |  | Hot pots, looking inside (Midway, Utah) | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image |
| 210 |  | Ice formations in O'Conner #1 mine, Winter Quarters | | Image |
| 211 |  | Interior (Parkes Head Refinery) [HAER UT-67- 53] | | Image |
| 212 |  | Interior drift | 1975 | Image |
| 213 |  | Interior machinery | 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 |
| 214 |  | Interior machinery | 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 |
| 215 |  | Interior machinery | 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 |
| 216 |  | Interior machinery | 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 |
| 217 |  | Interior machinery | 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 |
| 218 |  | Interior machinery | 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 |
| 219 |  | Interior machinery | 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 |
| 220 |  | Interior of machine shop--Ontario Mine | 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image |
| 221 |  | Interior of smelter (HAER UT-67- 40] | | Image |
| 222 |  | Interior of smelter [HAER UT-67- 34] | | Image |
| 223 |  | Interior of smelter [HAER UT-67- 37] | | Image |
| 224 |  | Interior of smelter [HAER UT-67- 38] | | Image |
| 225 |  | Interior of smelter [HAER UT-67- 39] | | Image |