- Montana2
- Nagai Island, Schumagin Islands2
- Nunavut2
- Ohio2
- Thunder Bay2
- Washington2
- West coast, Kingigtok2
- 0.5 mile from end of Homer Spit, Kenai Peninsula1
- Aleutian Islands, Attu Island, Murder Point Area1
- Aleutian Islands, Lowlands, south end of Casco Cove, Massacre Bay, Attu Island1
- Aleutian Islands, cove NE of Andrew Bay, Adak Island1
- Alpena1
- Arctic Archipelago, Baffin Island, Arctic Bay, Admiralty Inlet1
- Arctic Archipelago, Baffin Island, Cape Dorset1
- Assiniboia, Crane Lake1
- Blakely Islands of San Juan Swamp1
- Bonaventure1
- Cache1
- Carbon1
- Carleton1