TY - RPRT TI - 2,200-Year tree-ring and lake-sediment based snowpack reconstruction for the northern Rocky Mountains highlights the historic magnitude of recent snow drought AU - Spruce W. Schoenemann AU - Justin T. Martin AU - Gregory T. Pederson AU - David B. McWethy PY - 2020 DO - 10.1016/j.qsa.2020.100013 UR - https://pubs.usgs.gov/publication/70215531 ID - 70215531 ER -