Record Details
page 112
Oregon Digital
| Field | Value |
|---|---|
| Title | page 112 |
| Relation | Columbia River |
| Date | 2005-02-22 to 2005-04-11 |
| Rights | This item is in the public domain. Acknowledgement of the University of Oregon Libraries as a source is requested. |
| Type | page |
| Format | Scanned from originals using Silverfast AI 6.0 on UMAX Powerlook III flatbed scanner. Scanned images saved as 16 bit grayscale tiffs. 236.088 kb 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 edited in Photoshop 6.0: cropped, rotated, reduced in size, levels adjusted, bit depth reduced to 8 and JPEGs created. |
| Description | widely scattered, however, and except for a few localities, the sporadic production has not contributed greatly to the wealth of the basin. Nonmetallic mineral production in the upper basin is largely limited to coal, phosphate, and various types of building stone. Practically all of the coal is produced at the Blind Bull mine near Afton, Wyo., where about 30,000 tons are mined each year. Phosphate undoubtedly is the most valuable mineral resource of the upper basin. The ore, averaging... |
| Identifier | http://oregondigital.org/u?/wwdl,1568 |
