| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 776 |  | Lewis Smith, Moab, UT: Uranium Oral Histories | 1970-07-21 | Sound | uum_avacr |
| 777 |  | Lightning Never Strikes Twice (Audio) | 2010-03 | Sound | ehsl_novel_fbw |
| 778 | | Little Gull flight calls | 2009-04-23 | Sound | uu_wss |
| 779 | | Long-eared Myotis | 2003-09 | Sound | uu_wss |
| 780 | | Louis Hayne, Salt Lake City, UT: Uranium Oral Histories | 1970-08-04 | Sound | uum_avacr |
| 781 | | Lucy's Warbler 100409-01 | 2010-04-09 | Sound | uu_wss |
| 782 | | Lymphing Along | 2010-03 | Sound | ehsl_novel_fbw |
| 783 | | Lynn Lee, Blanding, UT: Uranium Oral Histories | 1970-08-10 | Sound | uum_avacr |
| 784 | | Lytle Ranch 100409-05 | 2010-04-09 | Sound | uu_wss |
| 785 | | Lytle Ranch 100409-BAC1 | 2010-04-09 | Sound | uu_wss |
| 786 | | Lytle Ranch 100409-BAC2 | 2010-04-09 | Sound | uu_wss |
| 787 | | Lytle Ranch 100409-BAC3 | 2010-04-09 | Sound | uu_wss |
| 788 | | Lytle Ranch 100409-BAC4 | 2010-04-09 | Sound | uu_wss |
| 789 | | Lytle Ranch 100409-BAC5 | 2010-04-09 | Sound | uu_wss |
| 790 | | Lytle Ranch 100410-02 | 2010-04-10 | Sound | uu_wss |
| 791 | | Lytle Ranch 100410-03 | 2010-04-10 | Sound | uu_wss |
| 792 | | Lytle Ranch 100410-04 | 2010-04-10 | Sound | uu_wss |
| 793 | | Lytle Ranch Bewick's Wren 100410-01 | 2010-04-10 | Sound | uu_wss |
| 794 | | Lytle Ranch near pond 100409-05 | 2010-04-09 | Sound | uu_wss |
| 795 |  | M 1. Macular Update (1) | 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979 | Sound | ehsl_novel_jls |
| 796 |  | M 2. Macular Update (2) | 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979 | Sound | ehsl_novel_jls |
| 797 |  | M 3. Macular Update (3) | 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979 | Sound | ehsl_novel_jls |
| 798 | | M. H. Kerr, Salt Lake City, UT: Uranium Oral Histories | 1970-08-04 | Sound | uum_avacr |
| 799 | | Maple Lake, UT (080623-377) | 2008-06-23 | Sound | uu_wss |
| 800 | | Maple Lake, UT (080623-378) | 2008-06-23 | Sound | uu_wss |