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Astoria, OR/WA 7.5' maps

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Pacific Northwest Urban Corridor Geologic Maps

Geologic maps and databases of the Astoria, OR/WA 30' x 60' Quadrangle

Index to 7.5' geologic quadrangle maps. Green links to online USGS maps; purple links to USGS paper maps; pink links to USGS/University of Washington maps in preparation; yellow links to WA Division of Geology and Earth Resources maps ; blue areas are described within the existing 30' x 60' geologic map.

Location of Astoria, OR/WA 100K quad.

Available geologic maps

30'x 60' geologic maps

Walsh, T.J., 1987, Geologic map of the Astoria and Ilwaco quadrangles, Washington and Oregon: Washington Division of Geology and Earth Resources, Open File Report 87-2,, scale 1:100000.

15' geologic maps

Wells, R.E., 1989, Geologic map of the Cape Disappointment-Naselle River area, Pacific and Wahkiakum Counties, Washington: U.S. Geological Survey, Miscellaneous Investigations Series Map I-1832, scale 1:62500.

Wells, R.E., 1981, Geologic map of the eastern Willapa Hills, Cowlitz, Lewis, and Pacific, and Wahkiakum Counties, Washington: U.S. Geological Survey, Open-File Report OF-81-674, scale 1:62500.

Wolfe, E.W. and McKee, E.H., 1968, Geology of the Grays River quadrangle, Wahkiakum and Pacific Counties, Washington: Washington Division of Mines and Geology, Geologic Map GM-4, scale 1:62500.

7.5' geologic maps

Niem, A.R., in preparation.