Miocene and Pliocene lacustrine and fluvial sequences, Upper Ramparts and Canyon Village, Porcupine River, east-central Alaska.
Reference:
Fouch,T.D. et al. (1994)
Miocene and Pliocene lacustrine and fluvial sequences, Upper Ramparts and Canyon Village, Porcupine River, east-central Alaska. Quaternary International
Vol. 23 P. 11- 29