Portland State University PDXScholar Dissertations and Theses Dissertations and Theses 1986 The Cowlitz corridor : the passage through time Margot Coleman Vaughan Portland State University Follow this and additional works at: https://pdxscholar.library.pdx.edu/open_access_etds Part of the United States History Commons Let us know how access to this document benefits ou.y Recommended Citation Vaughan, Margot Coleman, "The Cowlitz corridor : the passage through time" (1986). Dissertations and Theses. Paper 3650. https://doi.org/10.15760/etd.5534 This Thesis is brought to you for free and open access. It has been accepted for inclusion in Dissertations and Theses by an authorized administrator of PDXScholar. Please contact us if we can make this document more accessible:
[email protected]. AN ABSTRACT OF THE THESIS OF Margot Coleman Vaughan for the Master of Arts in History presented April 28, 1986. Title: The Cowlitz Corridor: The Passage Through Time APPROVED BY MEMBERS OF THE THESIS COMMITTEE: lddrdon Dodds, Chairman Mr. Terence 0 . uvurn:::: J. J. -- Dr. Thomas Poulsen The purpose of this thesis is to study the earliest recorded history of the Cowlitz River corridor, focusing on early exploration and settlement. The importance of the corridor as a major transportation route linking Puget Sound to the north and the Columbia Willamette waterways to the south is emphasized with primary source observations. The study is based on both primary and secondary source materials housed in libraries throughout the Pacific 2 Northwest and Canada. Among the sources include letters, journals, federal documents, periodicals, articles, drawings and monographs. The thesis is divided into five chapters.