TY - RPRT TI - The utility of gravity and magnetic methods for understanding subsurface hydrogeology in large alluvial watersheds: Examples from urbanized basins of the Western United States AU - V. J. S. Grauch AU - Victoria Langenheim PY - 2012 DO - 10.4133/1.2923736 UR - https://pubs.usgs.gov/publication/70242797 ID - 70242797 ER -