| Title | Author |
|---|---|
| Big Horn Academy/Cowley Log Gym | |
| Big Horn and Flying H polo clubs | |
| Big Horn County Courthouse | |
| Big Horn County, Wyoming | Rebecca Hein |
| Big Horn River Pilot, early Thermopolis, Wyo. newspaper | Rebecca Hein |
| Big Muddy Oil Field | |
| Big Muddy Oil Field | Rebecca Hein |
| Big Nose George | Lori Van Pelt |
| Big Piney Branch Library | |
| Big Piney, Wyoming | Ann Chambers Noble |