Thesis (M.S.)--Oregon State University, 1995. / Typescript (photocopy). Includes bibliographical references (leaves 24-102). Also available on the World Wide Web.

Zugl.: Heidelberg, University, Diss., 2009.

Thesis (M.S.) -- University of Tennessee, Knoxville, 2005. / Title from title page screen (viewed on Feb. 2, 2006). Thesis advisor: Matthew Gray. Vita. Includes bibliographical references.

Thesis (Ph. D.)--University of Wisconsin--Madison, 1974. / Typescript. Vita. Description based on print version record. Includes bibliographical references (leaves 821-835).

Thesis (M.A.) in Liberal Studies--University of Maine, 2006. / Includes vita. Includes bibliographical references (leaves 85-91).

The trends of degradation and aggradation are measured in this study for the Lower Mississippi River. Historical riverbed elevation and stage data from the past hundred years were used from six gages in order to measure changes in riverbed gradation. It was found that using stage data to measure gradation changes is a superior method to using riverbed elevations, due to stage data’s reliability, length of record and daily measurements. Degradation in the Lower Mississippi River was seen during the

335 pages / This thesis describes the river towns along the Willamette River in Oregon. River conditions, adaptation of the boats to the river, and steamboat routes shown at ten year intervals illustrate the degree of accessibility of the various towns. Reasons for success or failure in light of factors of site, situation, efforts of townsite promoters or lack thereof are evaluated. Increase in population is used as a measure of success. Orientation to the river was reflected in town plans and location of land uses as sh own in early maps and views.

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