Record Details
page 2027
Oregon Digital
| Field | Value |
|---|---|
| Title | page 2027 |
| Relation | gov serial set 2185 |
| Date | 2006-02-13 to 2006-02-20 |
| 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 | The currents on the Columbia River bar are subject to constant change, depending on the tides, channels, winds, and outflow of the river. Strong undercurrents exist. Heavy winds produce dangerous counter-currents, and the midsummer river flood causes tide-rips. There is no slackwater at the turn of the tide. At Astoria, the corrected establishment or mean interval between the time of the moon's transit and the time of high water is 12 hours 42 minutes. The mean rise and fall of tides is 6.1... |
| Identifier | http://oregondigital.org/u?/wwdl,3502 |
