Calvert, A.T., Moore, R.B., and McGimsey, R.G., 2005, Argon geochronology of Late Pleistocene to Holocene Westdahl Volcano, Unimak Island, Alaska: in Haeussler, P.J., and Galloway, J.P., eds., Studies by the U.S. Geological Survey in Alaska, 2004, U.S. Geological Survey Professional Paper PP 1709-D, 16 p.
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