Allen JE.  1975.  The Wallowa "ice cap" of northeastern Oregon, an exercise in the interpretation of glacial landforms. Oregon Department of Geology and Mineral Industries, Portland, OR, United States, The Ore Bin. 37:189-202.

Allen JE.  1989.  Ice-age glaciers and lakes south of the Columbia River Gorge: Oregon Department of Geology and Mineral Industries, Portland, OR, United States. Oregon Geology. 51:12-14.

Allen JE, Burns M, Burns S.  2009.  Cataclysms on the Columbia.

Allen JE, Burns M, Sargent SC.  1986.  Cataclysms on the Columbia : a layman's guide to the features produced by the catastrophic Bretz floods in the Pacific Northwest.