Record Details
Field | Value |
---|---|
Title | page 2311 |
Relation | gov serial set 1955 |
Date | 2005-10-24 to 2005-10-26 |
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. 321.681 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 | The question of excavating the chute for a low-water channel, or leaving an opening, with a gate or other arrangement for closing it during high-water, is one of cost. The navigation opening, if made, should not be above the old middle landing. The thickness and ballast of the breakwater required may render it practically watertight after a few years. The minimum draught of 8 feet can be obtained by depression of lock No. 2 and excavation of channel below, or by supplying water from the... |
Identifier | http://oregondigital.org/u?/wwdl,3295 |