Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
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disappearing.
An impervious cover exceeding 25 percent is not good. It will produce a stream that is called a “non-supporting stream.” The stream essentially is a conduit for storm water flow and cannot support a diverse stream community; there are no quiet pools and riffles to support fish; stream banks are eroding and streams are widening; there is no fish spawn, no aquatic insects; and water quality is fair to poor.
For more information please see the new RappFLOW web site at: http://www.rappflow. org.
93.5%