Place
- Maryland1
- Middle Village1
- Minnesota1
- Mist zone below Virginia Falls, South Nahanni River1
- Monterey1
- Mt. Petit Jean, Boston Mts.1
- Near bridge between Fidalgo & Whidbey Island1
- Near watertank on Watertank Hill; Hastings Res.1
- Nebraska1
- Newfoundland and Labrador1
- Newfoundland, Northern Peninsula, Burnt Cape1
- Newton1
- Oak Creek Canyon, Coconino Natl. Forest, 15 miles S. FLAGSTAFF1
- On the face of a waterfall in a brook west of Kamloops1
- Panama1
- Payne1
- Penokee Gap, Morse Township1
- Port Austin1
- Presque Isle1
- Puebla1