TY - RPRT TI - Influences of geomorphology and geology on alpine treeline in the American West - More important than climatic influences? AU - D.R. Butler AU - G.P. Malanson AU - S. J. Walsh AU - D.B. Fagre PY - 2013 DO - 10.2747/0272-3646.28.5.434 UR - https://pubs.usgs.gov/publication/70031537 ID - 70031537 ER -