- Norway, SW of1
- On Mummy Mountain, bluffers near Fisher Creek.1
- On southwest face of Huron Mountain, overlooking Anne Lake.1
- Ontario1
- Partridge Island1
- Passage Island, Isle Royale National Park1
- Porcupine Mts. State Park. Face of escarpment overlooking Lake of the Clouds.1
- Porcupine Mts. State Park. Vertical face of cliff below Lake of the Clouds overlook, near Mirror Lake rail. Just above talus slope.1
- Presque Isle [River, L. Superior]1
- Quebec1
- Rensselaer1
- Ropes Gold Mine, ca 6 mi NW of Ishpeming1
- S of Norway, near Menominee River.1
- Silver Island, near1
- Sturgeon River, near Upper Falls; Covington, ca 6.5 mi NE of1
- Sugar Loaf Mountain, Marquette1
- Troy [Coordinates are for Prospect Park.]1
- Wakefield, ca 1 mi NE of1
- Washington1
- Washington Harbor, Booth Island, Isle Royale1