Record Details
page 347
Oregon Digital
| Field | Value |
|---|---|
| Title | page 347 |
| Relation | Columbia River |
| Date | 2005-02-22 to 2005-04-11 |
| 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. 264.791 kb 8 bit - Gray Gamma 2.2 - greyscale 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, bit depth reduced to 8 and JPEGs created. |
| Description | lock there is 76 feet wide and 500 feet long. The controlling depth over the sills of the lock is 24.2 feet at low water, though a depth of 26 feet is available about 95 percent of the time. The pool above the dam provides a deep-water channel to The Dalles. On the Willamette River above Portland, improvements have been made permitting navigation by craft of shallow draft.. To Oregon City, 26 miles above the mouth, a channel 8 feet deep and 500 feet wide is maintained. At Oregon City, four... |
| Identifier | http://oregondigital.org/u?/wwdl,1799 |
