Place
- Ludington State Park1
- Maine1
- Manipur1
- Maryland1
- Meghalaya1
- Mich. Agricultural College1
- Milburn [Millburn]1
- Minnesota1
- Mississippi River above Falls of St. Anthony1
- Mizoram1
- Montgomery1
- Mountains above San Juancito1
- Muskallunge Lake,1
- NE of Wiregrass Lake, sec. 29, ca. 5 1/2 mi. WSW of Carney.1
- NW shore of Diamond Lake, ca. 5 mi. NW of White Cloud.1
- Near Lock 7 C&O Canal1
- Near Port Huron1
- Near Whitestone Pt.1
- New Jersey1
- North Carolina1