Place
- Belmont1
- Blaine1
- Bluffs south of Gretna1
- Box Butte1
- Boyd1
- Broken Bow1
- Butler1
- C.B. & Q.R.R. track, Crete.1
- Ca. 12.5 km north of Johnstown, along Plum Creek1
- Ceresco, 2 mi S1
- Chadron, Chadron State Park1
- Colfax1
- Cottonwood Creek1
- Cuming1
- Dakota1
- Dismal River, south of Seneca1
- Driftwood Creek Valley slope1
- Elkhorn River valley bluffs, just east of river, off Hwy 275 and 921
- Elkhorn River, east of O'Neill1
- Fields near Auburn1