Geologic map of Washington [cartographic material] / compiled by J. Eric Schuster ; cartography by Keith G. Ikerd

Corporate Author:: Washington (State). Division of Geology and Earth Resources
Published:: [Olympia, Wash.] : Washington State Division of Geology and Earth Resources, 1992.
Physical Description:: 1 map : color ; on sheet 22 x 36 cm
Additional Creators:: Ikerd, Keith G. and Schuster, J. Eric