| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 401 |
 | Looking upstream (Colorado River) at old site of Lee's Ferry-Sandy beach on left side of pictures. Dugway visible on right | 1985-11 | uum_map_rr | |
| 402 |
 | Lorin Bell in kayak at Lees | 1938-11 | Image/StillImage | uum_map_rr |
| 403 |
 | Lot Smith correspondence, 1862-1884 | 1862; 1863; 1875; 1876; 1877; 1878; 1879; 1880; 1881; 1882; 1883; 1884 | Text | uum_msa |
| 404 |
 | Lot Smith correspondence, 1883-1902 | 1883; 1886; 1970 | Text | uum_msa |
| 405 |
 | Lot Smith in life and death | 1892-08-03 | Text | uum_msa |
| 406 |
 | Lot Smith: miscellaneous notes compiled by P. T. Reilly | 1966; 1967; 1968; 1969; 1970; 1971; 1972 | Text | uum_msa |
| 407 |
 | Lower Colorado Region comprehensive framework study of water and land resources : summary report, June 1971 | 1971-06 | Text | wwdl_documents |
| 408 |
 | Lower Colorado Region Comprehensive Framework Study: Main Report 1971 | 1971 | Text | wwdl_documents |
| 409 |
 | Lydia Mayes and Mrs. Hinds | 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 | Image | uum_map_rr |
| 410 |
 | MAG Regional Transportation Plan, Phase 1: Analysis of Alternative Growth Concepts | 2003-02-07 | Text | uu_lu_tsp |
| 411 |
 | Map of Southern Ute Agencies | Image/StillImage | uaida_main | |
| 412 |
 | Maricopa County, Arizona officials | 1966-03-24 | uum_map | |
| 413 |
 | Maricopa Regional Transportation Plan: Alternative Growth Concepts | 2003-02-01 | Text | uu_lu_tsp |
| 414 |
 | May Hunt journal, excerpts 1876-1888 | 1876; 1877; 1878; 1879; 1880; 1881; 1882; 1883; 1884; 1885; 1886; 1887; 1888 | Text | uum_msa |
| 415 |
 | Memorial day celebration | 1926 | Image/StillImage | uaida_main |
| 416 |
 | Men at well, 1907 | 1907 | Image/StillImage | uaida_main |
| 417 |
 | Men at well, 1907 | 1907 | Image/StillImage | uaida_main |
| 418 |
 | Men on horseback | 1903 | Image/StillImage | uaida_main |
| 419 |
 | Meteor Crater, Arizona | 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; 1960 | Image | uum_map |
| 420 |
 | Method to identify wells that yield water that will be replaced by water from the Colorado River downstream from Laguna Dam in Arizona and California | 2000 | Text | wwdl_er |
| 421 |
 | Minute book of the Arizona Mission Quarterly Conference (1876-1887) | 1876; 1877; 1878; 1879; 1880; 1881; 1882; 1883; 1884; 1885; 1886; 1887 | Text | uum_msa |
| 422 |
 | Minutes of the Committee for the Settlement of the Affairs of the Sunset United Order | 1886; 1887; 1888 | Text | uum_msa |
| 423 |
 | Minutes of the Little Colorado Stake | 1878; 1879; 1880; 1881; 1882; 1883; 1884; 1885; 1886; 1887 | Text | uum_msa |
| 424 |
 | Miscellaneous writings, Joseph City | 1896; 1969 | Text | uum_msa |
| 425 |
 | Monitoring Channel Sand Storage in the Colorado River in Grand Canyon | 1995 | Text | wwdl_er |