- Plumas1
- Port Burwell1
- Port Vita, Raspberry Strait, Raspberry Island, Kodiak group1
- Portland1
- Salt Lake1
- San Mateo1
- Santa Clara1
- Schell Creek Range, Nevada National Forest, near Timber Creek camp ground1
- Sermersooq1
- Slope by Bergh Lake, Stoney Creek, Mt. McKinley National Park, Alaska Range1
- Slope of Mt. Mattaouisse, Fernald Pass, Mount Logan Region1
- Spring Creek, Red River District, Nezperce National Forest1
- Ten Mile Township1
- Third lake above mouth of "Acadia River;"Perry Bay, Meta Incognita Peninsula, Baffin Island1
- Trinity1
- Truelove Lowland, Devon Island1
- Tundra along Haines Highway, 58 miles NW. Haines (Alaska), Eastern Pacific Coast District, Skagway (Alaska) Quadrangle1
- Tundra slopes, above Peyto Lake1
- Tuolumne1
- Upernavik1