TY - RPRT TI - Shallow bedrock limits groundwater seepage-based headwater climate refugia AU - Martin A. Briggs AU - John W. Lane AU - Craig D. Snyder AU - Eric A. White AU - Zachary C. Johnson AU - David L. Nelms AU - Nathaniel P. Hitt PY - 2018 DO - 10.1016/j.limno.2017.02.005 UR - https://pubs.usgs.gov/publication/70186327 ID - 70186327 ER -