TY - RPRT TI - Tree-ring-based estimates of long-term seasonal precipitation in the Souris River Region of Saskatchewan, North Dakota and Manitoba AU - Karen R. Ryberg AU - Aldo V. Vecchia AU - F. Adnan Akyuz AU - Wei Lin PY - 2016 DO - 10.1080/07011784.2016.1164627 UR - https://pubs.usgs.gov/publication/70170127 ID - 70170127 ER -