@misc{indiciae4e447f4be33a, title = {40Ar 39Ar age constraints on neogene sedimentary beds, Upper Ramparts, half-way Pillar and Canyon village sites, Porcupine river, east-central Alaska}, author = {Michael J. Kunk and H. Rieck and T. D. Fouch and L. David Carter}, year = {1994}, doi = {10.1016/1040-6182(94)90005-1}, url = {https://pubs.usgs.gov/publication/70207648}, note = {Source identifier: 70207648} }