TY - RPRT TI - Estimation of potential scour at bridges on local government roads in South Dakota, 2009-12 AU - Ryan F. Thompson AU - Chelsea M. Wattier AU - Richard R. Liggett AU - Ryan A. Truax PY - 2014 DO - 10.3133/sir20135233 UR - https://pubs.usgs.gov/publication/sir20135233 ID - sir20135233 ER -