Place
- Humboldt1
- Idaho1
- Illinois1
- In Little Eau Claire River. T27N R9E S171
- In Madera Canyon near Mt. Livermore1
- In Upper Illinois Canyon1
- Indian Pass1
- Indiana1
- Indonesia1
- Inverness1
- Inyo1
- Iowa1
- Ithaca, wall of Six Mile Creek1
- Jackson1
- Jeff Davis1
- Jefferson1
- Juniper Swamp1
- Kaaterskill Creek, 2.5 mile below Haines Falls near and at mouth of Wildcat Creek1
- Kamloops District, Louis Creek1
- Kangerdlugssuaq District, Mikis Fjord1