TY - RPRT TI - Literature review of giant gartersnake ( Thamnophis gigas ) biology and conservation AU - Brian J. Halstead AU - Glenn D. Wylie AU - Michael L. Casazza PY - 2015 DO - 10.3133/ofr20151150 UR - https://pubs.usgs.gov/publication/ofr20151150 ID - ofr20151150 ER -