- Otsego2
- Ottawa2
- Placer2
- Saint-Joachim-de-la-Tourelle2
- Saskatchewan2
- South Dakota2
- South shore of Hudson Strait, Wolstenholme2
- Thunder Bay2
- Virginia2
- "ARC" cabin, Igloo Creek1
- (Pinaleno) Mountains near Swift Trail, Coronado National Forest, 10 miles south-southwest of Safford, Heliograph Lookout1
- Adirondack Region, Canada Lake1
- Airport Rd. near Ophir Creek bridge, Yakutat1
- Airport Rd., west of Ophir Creek, Yakutat1
- Aleutian Islands, at Massacre Bay, Attu Island1
- Alger1
- Along the Sikanni River (near mile 116) above Fort St. John, on cliffs and bluffs on south side of River1
- Alpena1
- Altona Flatrock1
- Amnicon Falls State Park, 4.5 miles east-northeast of South Range, 6.5 miles southeast of Superior1