Record Details
Field | Value |
---|---|
Title | page 52 |
Relation | A report on pollution |
Date | 2005-06-13 to 2005-06-20 |
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. 165.394 kb 8 bit - Gray Gamma 2.2 - greyscale 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 | origin and include wood fibers, sawdust, softwood tree needles, fragments of leaves and grass, and bits of paper. Attachment to other suspended detritus, such as diatoms, sand grains, shed insect and crustacean skins, and the like, occurs infrequently, if at all. The size of the substrate materials ranges from a few microns in the case of small wood fibers to several inches across in the case of dead leaves, but most are less than an inch in length. In relatively quiet water, as in... |
Identifier | http://oregondigital.org/u?/wwdl,2300 |