Record Details

Diagram showing directions and amounts of pressures acting against lock gates under 25 feet of water

Oregon Digital

Field Value
Title Diagram showing directions and amounts of pressures acting against lock gates under 25 feet of water
Relation gov serial set 1845
Date 2005-09-20 to 2005-09-27
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. 2803.675 kb 8 bit - Gray Gamma 2.2 - greyscale 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 Prepared under the direction of MAJOR JOHN M. WILSON, CORPS OF ENGINEERS. by Channing M. Bolton, Asst. Engr. 1877. U.S.ENGINEER OFFICE PORTLAND, OREGON, July 1st,1878 To accompany annual report upon Cascade Canal for fiscal Year ending June 30th 1878. DIAGRAM Showing directions and Amounts of PRESSURE ACTING AGAINST LOCK GATES UNDER 25 FEET OF WATER
Identifier http://oregondigital.org/u?/wwdl,3152

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