Record Details
Map - Improvement of Mouth of the Columbia River
Oregon Digital
| Field | Value |
|---|---|
| Title | Map - Improvement of Mouth of the Columbia River |
| Relation | Serial Set 3908 |
| Subject | Map |
| Date | 2005-01-24 |
| Rights | This item is in the public domain. Acknowledgement of the University of Oregon Libraries as a source is requested. |
| Type | page |
| Format | Scanned in 2 parts at 600 dpi from originals using Silverfast AI 6.0 on Microtek Scanmaker 9800XL tabloid size flatbed scanner. Scanned images saved as 16 bit grayscale tiffs. 9,252,854 bytes 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 stiched into one document and edited in Photoshop 6.0: cropped, rotated, resolution reduced to 400 dpi, levels adjusted, bit depth reduced to 8 and JPEGs created. |
| Description | Improvement of Mouth of the Columbia River. Survey made June 1899. Soundings were taken June 7 -- 28, 1899, and are expressed in feet, and show the depth at the average of the lowest low waters. Position of buoys are as on June 28, 1899. U. S. Engineer Office. Portland, Oregon. July 1, 1899. To accompany annual report for year ending June 30, 1899 to Chief of Engineers U. S. A. Major, Corps of Engineers U. S. A. |
| Identifier | http://oregondigital.org/u?/wwdl,1196 |
