Place
- Centreville1
- Champaign1
- Cherrapunjee1
- Chicago1
- Chippewa1
- Clam Lake Twp. T21N, R9W, Sec. 7 NW1/4 at corner of M-55 and M-115 on S.W. side of Cadillac.1
- Clarkston1
- Colorado1
- Crittenden Farm Pittsfield Twp.1
- Cuba1
- E of the Bear, Sleeping Bear dunes1
- East Khasi Hills1
- Eaton1
- Echo Lake Creek at its source, NW1/4 sec. 3 on Grand Island, ca. 7 mi. NW of Munising.1
- El Paso1
- Emmet1
- G. R. [= Grand Rapids]1
- G. R. [=Grand Rapids]1
- Genesee1
- Glady Creek1