Map showing ground-water level changes spring 1988 to spring 1989, by aquifer in the Portland Basin, Oregon and Washington /

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 7.
Subjects:	Groundwater flow > Oregon > Portland > Maps. Hydrogeology > Oregon > Portland > Maps. Portland (Or.) > Maps. Groundwater flow > Washington (State) > Maps. Hydrogeology > Washington (State) > Maps. Washington (State) > Maps.

Evans: Maps (2nd floor) (Does not check out)