TY - RPRT TI - An 18 million year record of vegetation and climate change in northwestern Canada and Alaska: Tectonic and global climatic correlates AU - J. M. White AU - T. A. Ager AU - D.P. Adam AU - E. B. Leopold AU - Gaisheng Liu AU - H. Jette AU - C. E. Schweger PY - 1997 DO - 10.1016/s0031-0182(96)00146-0 UR - https://pubs.usgs.gov/publication/70019812 ID - 70019812 ER -