- Median of Reynolds Rd. at bridge over Swan Creek, 0.5 mi. S., St. Rt. 2, Maumee Quad.1
- Mercer1
- Midvale1
- Minnesota1
- Mouth of the Black Duck River just west of Cape Henrietta-Maria in Hudson Bay1
- Moutlh of the Umpqua River1
- NE 1/4 NE 1/4 Sec.32 T41N-R17W ca. 1 mi. ESE Cooks.1
- Nantucket1
- Near old mine camp, Cross Fault Lake, McTavish Arm, Great Bear Lake1
- Nevada1
- Northwest Territories1
- Oakland1
- Ontonagon1
- Oregon1
- Plympton Twp., 3 km NW of Wyoming, 1.5 km SW of Reeces Corners1
- Quebec1
- SW coast of Hudson Bay, approx. 1 km SE of Shagmu River mouth, 0.15 km from coast, site 78-105(10)1
- SW coast of Hudson Bay, ca. 13 km NW of Sutton River mouth, 0.5 km from coast, Site 78-81(3)1
- Saginaw1
- Saskatchewan1