| Skinner Peak, Onyx Peak #2, Scodie Mountain | 12 November 1988 | Alan Coles |
| Heald Peak, Nicolls Peak, Skinner Peak | 31 March 1990 | Alan Coles |
| Skinner Peak | 14 July 1990 | Walt Wheelock |
| Lightner Peak, Bald Eagle Peak, Piute Lookout, Sorrell Peak, Skinner Peak | 2 June 1990 | Charlie Knapke |
| Skinner Peak, Bald Eagle Peak, Piute Lookout, Sorrell Peak | 13 October 1990 | Lou Brecheen |
| Heald Peak, Nicolls Peak, Onyx Peak #2, Skinner Peak | 27 October 1990 | Patty Kline |
| Skinner Peak | 28 October 1990 | Charlie Knapke |
| Butterbredt Peak, Mayan Peak, Onyx Peak #2 , Skinner Peak | 16 November 1991 | David Jensen |
| Weldon Peak, Sorrell Peak, Piute Lookout, Skinner Peak | 4 July 1992 (Exploratory) | Charlie Knapke |
| Chuckwalla Mountain, Cross Mountain, Butterbredt Peak, Mayan Peak, Skinner Peak, Black Mountain #6, Red Mountain | 13 February 1993 | George Schroedter |
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