TY - RPRT TI - A conceptual model for site-level ecology of the giant gartersnake ( Thamnophis gigas ) in the Sacramento Valley, California AU - Brian J. Halstead AU - Glenn D. Wylie AU - Michael L. Casazza AU - Eric C. Hansen AU - Rick D. Scherer AU - Laura C. Patterson PY - 2015 DO - 10.3133/ofr20151152 UR - https://pubs.usgs.gov/publication/ofr20151152 ID - ofr20151152 ER -