Record Details

Reduced Map of Survey of Lower Willamette and Columbia Rivers

Oregon Digital

Field Value
Title Reduced Map of Survey of Lower Willamette and Columbia Rivers
Relation gov serial set 2185
Date 2006-02-13 to 2006-02-20
Rights This item is in the public domain. Acknowledgement of the University of Oregon Libraries as a source is requested.
Format Scanned from originals using Silverfast AI 6.0 on UMAX Powerlook III flatbed scanner. Scanned images saved as 16 bit grayscale tiffs. Omnipage 14 used to OCR 8 bit tiffs and generate text files for full text access. 16 bit grayscale and 48>24 RGB color tiffs edited in Photoshop CS 8.0: cropped, rotated, reduced in size, levels adjusted, grayscale bit depth reduced to 8 and JPEGs created.
Description REDUCED MAP of Survey of LOWER WILLAMETTE AND COLUMBIA RIVERS 1882 -1883. Showing Constructions for permanent Improvement up to June 30, 1883. References. a,b,c, fascine dams built 1882-3 d,e, revetments 1880-2-3 f, dam 1880-2 g, h, revetments 1882-3 i, dike and submerged fascine dam. 1882 3 fascine and crib dam 187.9 k,-auxiliary works to dam. (j )†1880-1-2-3 Available Depths at low water At head of Hayden's s Island " Vancouver Crossing " Mouth...
Identifier http://oregondigital.org/u?/wwdl,3483

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