Record Details
Appendix SS 1
Oregon Digital
| Field | Value |
|---|---|
| Title | Appendix SS 1 |
| Relation | gov serial set 2372 |
| Date | 2006-03-01 to 2006-03-08 |
| 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 | S S 1. IMPROVEMENT OF COLUMBIA AND WILLAMETTE RIVERS BELOW PORTLAND, OREGON. The project provides for a ship-channel of 20 feet depth at low water, on 100 miles, by contraction and shore protection works at four bars from Portland to Columbia City; by temporary improvement at the bars during construction of the works, and at three shoal places below Columbia City, and by snagging operations. The mean tide at Portland, on a low river stage, is about 2 feet ; at Astoria it is 7.5 feet... |
| Identifier | http://oregondigital.org/u?/wwdl,3608 |
