Map showing water-level contours for the Troutdale gravel aquifer in Clark County, Washington, 1949-50 /

Bibliographic Details
Corporate Authors:	Oregon. Water Resources Department, Portland (Or.). Water Bureau, Intergovernmental Resource Center (Wash.)
Other Authors:	McFarland, William D. (Cartographer)
Format:	Map
Language:	English
Published:	[Washington, D.C.] : U.S. Department of the Interior, U.S. Geological Survey, 1997.
Series:	U.S. Geological Survey water-supply paper ; 2470-A, plate 6.
Subjects:	Groundwater flow > Oregon > Portland > Maps. Hydrogeology > Oregon > Portland > Maps. Portland (Or.) > Maps. Groundwater flow > Washington (State) > Clark County > Maps. Hydrogeology > Washington (State) > Clark County > Maps. Clark County (Wash.) > Maps.

Evans: Maps (2nd floor)