1. Mastodon State Historic Site
Seckman Rd, Imperial, MO 63052
Coordinate: 38.391277,-90.413315
Phone: (636) 464-2976
2. Mastodon State Historic Site
1050 Charles J Becker Dr, Imperial, MO 63052
Coordinate: 38.380505,-90.38351
Phone: (636) 464-2976