Record Details
Saint Helens Bar from Survey of September 1884
Oregon Digital
| Field | Value |
|---|---|
| Title | Saint Helens Bar from Survey of September 1884 |
| 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 | SAINT HELENS BAR FROM SURVEY OF SEPTEMBER 1884. Showing adopted System of Dikes and part built to June 30th 1885. Improvement of the Columbia and the Willamette River Soundings are in feet reduced to low water. Circles enclosing figures indicate borings. Velocities are at mid draught of average deep vessel, taken on ebb tide at river stage of about 2 feet. Rock Bluff Saint Helens Willamette Slough Sauvies Island Low Earth Bank Sent with annual report 1885.... |
| Identifier | http://oregondigital.org/u?/wwdl,3611 |
