| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 301 |
 |
Lion Coal Company p.1 | 1921-04-03 | Image | dha_cp |
| 302 |
 |
Lion Coal Company p.2 | 1921-03-06 | Image | dha_cp |
| 303 |
 |
Lion Coal Company p.3 | 1921-03-05 | Image | dha_cp |
| 304 |
 |
Lion Coal Company p.4 | 1921-03-04 | Image | dha_cp |
| 305 |
 |
Machine Shop at Marsac Mill | 1874; 1875; 1876; 1877; 1878; 1879; 1880; 1881; 1882; 1883; 1884; 1885; 1886; 1887; 1888; 1889; 1890; 1891; 1892; 1893; 1894; 1895; 1896; 1897; 1898; 1899; 1900; 1901; 1902; 1903; 1904 | Image | pc_hsm |
| 306 |
 |
Mancos Street Scene | 1893-10 | Image/StillImage | dha_awg |
| 307 |
 |
Map of Dragon Mine - American Asphalt Association - Dragon, Utah | 1919 | Image/StillImage | ucl_maps |
| 308 |
 |
Map Showing Geologic Structure of Rainbow - Bonanza - Black Dragon Areas, Uintah County, Utah | 1978 | Image/StillImage | ucl_maps |
| 309 |
 |
Margaret Keith | 1901-09 | Image | dha_cp |
| 310 |
 |
Marsac Mill | 1885; 1886; 1887; 1888; 1889; 1890; 1891; 1892; 1893; 1894; 1895; 1896; 1897; 1898; 1899; 1900; 1901; 1902; 1903; 1904 | Image | pc_hsm |
| 311 |
 |
Mary Emma Chisholm Bennett | 1884 | Image | dha_cp |
| 312 |
 |
Matt Connelly climbing ladder in drift | 1883; 1884; 1885; 1886; 1887; 1888; 1889; 1890; 1891; 1892; 1893; 1894; 1895; 1896; 1897; 1898; 1899; 1900; 1901; 1902; 1903; 1904; 1905; 1906; 1907; 1908 | Image | pc_hsm |
| 313 |
 |
Mayflower Mine ready for blasting | 1950 | Image | pc_hsm |
| 314 |
 |
Mayflower Mine, Walter Bauer inspecting bedded limestone | 1950 | Image | pc_hsm |
| 315 |
 |
Men inside mine building | 1880; 1881; 1882; 1883; 1884; 1885; 1886; 1887; 1888; 1889; 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; 1916; 1917; 1918; 1919; 1920; 1921; 1922; 1923; 1924; 1925; 1926; 1927; 1928; 1929; ... | Image | pc_hsm |
| 316 |
 |
Men underground in mine | 1880; 1881; 1882; 1883; 1884; 1885; 1886; 1887; 1888; 1889; 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; 1916; 1917; 1918; 1919; 1920 | Image | pc_hsm |
| 317 |
 |
Men working in mill building | 1880; 1881; 1882; 1883; 1884; 1885; 1886; 1887; 1888; 1889; 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; 1916; 1917; 1918; 1919; 1920 | Image | pc_hsm |
| 318 |
 |
Mercur, Utah p.15 | 1907 | Image | dha_cp |
| 319 |
 |
Mercur, Utah-Mining p.1 | 1895-08 | Image | dha_cp |
| 320 |
 |
Mercur, Utah-Mining p.3 | 1892 | Image | dha_cp |
| 321 |
 |
Mine - Hiko Bell Corp visits Nevada | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | ucl_rhc |
| 322 |
 |
Mine - Hiko Bell Corp Visits Nevada | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | ucl_rhc |
| 323 |
 |
Mine and Smelter Co. p.01 | 1909-06-09 | Image/StillImage | dha_cp |
| 324 |
 |
Mine and Smelter Co. p.02 | 1909-06-03 | Image/StillImage | dha_cp |
| 325 |
 |
Mine and Smelter Co. p.03 | 1939-10-20 | Image/StillImage | dha_cp |