TY - RPRT TI - Ice and ocean constraints on early human migrations into North America along the Pacific Coast AU - Summer K. Praetorius AU - Jay R. Alder AU - Alan Condron AU - Alan Mix AU - Maureen Walczak AU - Beth E. Caissie AU - Jon Erlandson PY - 2023 DO - 10.1073/pnas.2208738120 UR - https://pubs.usgs.gov/publication/70241253 ID - 70241253 ER -