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1971
Emmer, Rod E., and Keith W. Muckleston. A compilation of flood abatement projects in Oregon In WRRI (Series) . Vol. no. 11. Corvallis, Or.: Oregon State University. Water Resources Research Institute, 1971.
1914
U.S. Congress. Senate. Dike on Olalla Slough, Lincoln County, Oreg.. Vol. 63rd Congress, 2nd Session, no.649. Senate Report. 63rd Congress, 2nd Session, no.649., 1914.