Place
- Along old US-2.3
- Baraga3
- Cedar Lake, in Group Camp area, Sylvan Twp3
- East of Forest Hwy 16, Ottawa National Forest3
- Fiborne Quarry3
- Houghton3
- Isle Royale National Park, Passage Island. Sect. 4, T67N, R32W3
- Rte. 17, near bridge over Algoma Central RR3
- Summit3
- Vermont3
- Wallowa3
- Washtenaw3
- "Fume Kill" area near Siderite Junction, near Wawa2
- Alberta2
- Angler Settlement2
- Antrim2
- Bas-Saint-Laurent2
- Ca. 0.25 mi north of county Road 206, Ottawa National Forest2
- Crawford2
- Field at Angler Settlement2