| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 51 |
 |
Con. Copper Mines, Int.--Hoist Looking Toward Compressor | 1929-05-02 | Image/StillImage | dha_scnpp |
| 52 |
 |
Con. Copper Mines, Int.--Hoist Looking Toward Control Panel | 1929-05-02 | Image/StillImage | dha_scnpp |
| 53 |
 |
Consolidated Copper Mines Co., Pano A of Emma Shaft Grounds And Bldgs | 1929-10-06 | Image/StillImage | dha_scnpp |
| 54 |
 |
Consolidated Copper Mines Co., Pano A of Pit for Geological Work | 1929-10-06 | Image/StillImage | dha_scnpp |
| 55 |
 |
Consolidated Copper Mines Co., Pano B of Emma Shaft GroundsAnd Bldgs | 1929-10-06 | Image/StillImage | dha_scnpp |
| 56 |
 |
Consolidated Copper Mines Co., Pano B of Island in Bottom of Pit | 1929-10-06 | Image/StillImage | dha_scnpp |
| 57 |
 |
Consolidated Fuel Company, North 1 Mine | 1910-08-07 | Image | dha_scp |
| 58 |
 |
Conveyor - Top of Fine Ore Bins, Boston Consolidated Mill | 1908-01-14 | Image | dha_scp |
| 59 |
 |
Dan Dahlstrom observing sand foundation unit [1] | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970 | Image | uum_map |
| 60 |
 |
Dan Dahlstrom observing sand foundation unit [2] | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970 | Image | uum_map |
| 61 |
 |
Denver Rock Drill Co., Copy of Drill Sharpener Machine | 1923-01-31 | Image/StillImage | dha_scnpp |
| 62 |
 |
Dey & Hoppangh, Copy of Etching of Roller Mill | 1920-01-13 | Image/StillImage | dha_scnpp |
| 63 |
 |
Dey & Hoppangh, Copy of Etching of Roller Mill | 1920-01-13 | Image/StillImage | dha_scnpp |
| 64 |
 |
Dey & Hoppangh, Copy of Etching of Roller Mill | 1920-01-13 | Image/StillImage | dha_scnpp |
| 65 |
 |
Dey & Hoppangh, Copy of Etching of Roller Mill | 1920-01-13 | Image/StillImage | dha_scnpp |
| 66 |
 |
Dey & Hoppangh, Copy of Etching of Roller Mill | 1920-01-31 | Image/StillImage | dha_scnpp |
| 67 |
 |
Display, Sept. 1937 | 1937-09-07 | Image | dha_cbfm |
| 68 |
 |
Ditch digger | 1946-07 | Image | uum_map |
| 69 |
 |
Drill Sharpener | 1909-09-15 | Image | dha_scp |
| 70 |
 |
Drill Sharpeners on Car | 1910-02-26 | Image | dha_scp |
| 71 |
 |
Drill Sharpeners on Wagons | 1910-02-26 | Image | dha_scp |
| 72 |
 |
Duluth office employees | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970 | Image | uum_map |
| 73 |
 |
Early EIMCO truck | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970 | Image | uum_map |
| 74 |
 |
EICMO 623 face loader | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970 | Image | uum_map |
| 75 |
 |
Eight miners in mine | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970 | Image | uum_map |