Various2018-05-312018-05-311951TRA-059-03-001http://hdl.handle.net/20.500.11867/770716 page typed transcription, created by Click Relander."The Columbia river is unique among the streams of the United States. Draining an area of nearly two hundred and fifty thousand square miles greater than that drained by the Penobscott, Kennebec, Connecticut, Hudson, Susquehanna, Delaware and Potomac combined, fed by the rains of a vast region in winter and the melting snows of seven great mountain ranges in summer, and carrying at all times an enormous volume of water, its channel is so seriously obstructed in so many places as to render its continuous navigation utterly impossible without the expenditure of much money upon its improvement."NO KNOWN COPYRIGHT The organization that has made the Item available reasonably believes that the Item is not restricted by copyright or related rights, but a conclusive determination could not be made. Please refer to the organization that has made the Item available for more information. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use.Navigating the Columbia River - Transcript.