Ruppert, Erin Michelle2018-03-2020032003b25488673https://hdl.handle.net/2144/27755Boston University. University Professors Program Senior theses.PLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at open-help@bu.edu. Thank you.en-USEnvironmental protectionColorado RiverThesis/Dissertation