Record Details
Entrance to the Columbia River
Oregon Digital
| Field | Value |
|---|---|
| Title | Entrance to the Columbia River |
| Relation | gov serial set 2464 |
| Date | 2006-03-23 to 2006-03-31 |
| 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 and 48>24 RGB color 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, bit depth reduced to 8 and JPEGs created. |
| Description | ENTRANCE TO THE COLUMBIA RIVER Surveyed August and September 1885 under the direction of Capt: Chas: F. Powell, Corps of Engineers By Lieutenant Edward Burr. Nautical Miles Statute Miles References Soundings are expressed in feet and are reduced to mean lower low water at Fort Canby or Fort Stevens. Mean low water at Canby above plane of reference = 1. 20 ft Mean " high """""""""" = 7.20 " characteristic depths only are given. H. W. line Cape Disappointment and Bakers... |
| Identifier | http://oregondigital.org/u?/wwdl,3781 |
