Map showing extent, thickness, and spring 1988 water levels for the unconsolidated sedimentary aquifer /

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 2.
Subjects:	Groundwater flow > Oregon > Portland > Maps. Hydrogeology > Oregon > Portland > Maps. Portland (Or.) > Maps.

Description
Item Description:	"1996" "Base modified from U.S. Geological Survey 1:100,000 topographic quadrangles, 1978-84" Issued as one of seven folded maps in pocket: Description of the ground-water flow system in the Portland Basin, Oregon and Washington / by William D. McFarland and David S. Morgan.
Physical Description:	1 map : color ; on sheet 101 x 85 cm.