- Asbestos Hill1
- Baie Déception, Nouveau-Québec1
- Below Canisbay gravel pit northwest of Cache Lake south of 'Minesing Road', Canisbay Tp., Algonquin Provincial Park1
- Between Bayfield and Rock Barra1
- Big Stone Bay, near, Lake Michigan1
- Cambria1
- Camden1
- Cameron Lake, Waterton Lakes National Park1
- Camp 224, 224 mi. N. of Seven Islands, on the east bank of the Ashuanipi River1
- Canyon Elpoca Creek, east of the Kananaskis - Coleman Road, 3 miles east of Lower Kananaskis Lake1
- Cape Breton Highlands National Park, Paquette Lake1
- Cape Breton Island, Cape Breton Highlands National Park, Mary Ann Falls1
- Charlotte1
- Cheboygan1
- Cheshire1
- Chippewa1
- Cliff Mine, near1
- Clinton1
- Cockburn Island1
- Compton1