Record Details

pages 406-407

Oregon Digital

Field Value
Identifier ORU_WTXT_025gv http://oregondigital.org/u?/wwdl,447
Title pages 406-407
Relation The Columbia Unveiled
Date 2004-07-22
Rights This item is in the public domain. Acknowledgement of the University of Oregon Libraries as a source is requested.
Type page
Format Scanned from originals using Silverfast AI 6.0 on UMAX Powerlook III flatbed scanner. Scanned images saved as 16 bit grayscale tiffs. 132,877 bytes 8 bit - Gray Gamma 2.2 - grayscale Omnipage 14 used to OCR 8 bit grayscale tiffs and generate text files for full text access. 16 bit grayscale tiffs edited in Photoshop 6.0: cropped, rotated, reduced in size, levels adjusted from 0 - 1.00 - 255 to 0 - 1.00 - 249, bit depth reduced to 8 and JPEGs created.
Description that the Columbia is but a quarter-mile wide from the Upper to the Lower Cascades, but this width is between low walls, of but a few feet in height, scoured in the basalt of the River's bed, and the true walls are the mountain sides exterior to the low ones limiting the channel's width. Above Table Mountain is an area about two miles wide and five miles long rising in a series of terraces to the 500 contour. On these terraces are about thirty small lakes, evidently all that is left of a...

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