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<br />APPENDIX B <br />UPPER COLORADO RIVER BASIN PHABSIM SITES <br /> <br />Geomorphlc Stability Analysis notes on Photo-interpretation <br /> <br />September 24-27, 1984 <br /> <br />COLORADO RIVER <br /> <br />Potash Site - 9/24/84 <br /> <br />Air photos - comparison with survey notes and plotted cross- <br />sections ShOWS bars and islands existed historically (on 1952 <br />photoS) and still exists on 1980 survey Sheets (plotted cross- <br />sections) ana 1981 photographs. Tamarisk ana other vegetation <br />may have become more abundant due to regulated conditions. <br /> <br />... <br /> <br />Conclusions: Physical conditions within the Potash study area <br />have remained reasonably stable; the physical habitat conditions <br />have not changed although the location of certain habitat ele- <br />ments may have shifted. Taken as a Whole, there Rtay be fewer <br />bars in the 1980 photos than 1n the 1952 photos, but the study <br />reach was prObably similar. <br /> <br />'. <br />