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<br /> <br />e <br /> <br />-- <br /> <br />e <br /> <br />Y AMP A RIVER <br /> <br />CROSS SECTION! RATING, REACH IN MAP CHANNEL SHAPE JUSTIFICATION FOR FIELD <br />CURVE INFORMATION MILES ABOVE (WIDTIJ) AND SURVEY <br />, DEERPARK GAGE SLOPE' <br />DETAILED STUDY AVAIL. 54.5-58 MEDIUM, 6,6'/MI NOT NEEDED <br />A-A '/MAP DERIVED 52,5-54,5 BROAD,6,6'/MI LIMITED ACCESS <br />B-B'I MAP DERIVED 44,5-52 NARROW,I'/MI NO ACCESS (CAN BE <br />NO CROSS SECTION' (47-48) (BROAD, 5' /MI) INTERPRETED FROM MAP AND <br /> SECTION F-F' <br /> (NOT SIGNIFICANT CHANGE IN <br /> CHARACTERISTIC) <br />C-C'I MAP DERIVED 37-44,5 NARROW,I'/MI NO ACCESS (CAN BE <br /> INTERPRETED FROM MAP AND <br /> SECTION F-F' <br />D-D'I FIELD SURVEYED 31-37 BROAD, I'/MI ACCESSIBLE, BENCHMARK <br />E-E'I MAP DERIVED <br />NO CROSS SECTION 29-31 CANYON,I'/MI DERIVED FROM MAP <br />F-F'I FIELD SURVEYED & 28-29 NARROW, 6,6'/MI ACCESSIBLE FOR TWO <br />GAGE SITE CHARACTERISTIC REACHES <br />G-G'I FIELD SURVEYED 26-28 MEDIUM, 6,6'/MI <br />H-H'/MAP DERIVED 21-26 BROAD, 4' /MI USE D-D' CROSS-SECTION <br />I-I'/MAP DERIVED 17-21 NARROW,4'fMl USE F-F' CROSS-SECIlON <br />J-J'/MAP DERIVED II-I7 MEDIUM,4'/MI BOTH SIDES NOT <br /> ACCESSIBLElUSE G-G' CROSS- <br /> SECTION <br />NO CROSS SECTION 8-II CANYON, 60'/MI DERIVED FROM MAP <br />K-K'IFIELD SURVEYED 6-8 NARROW, 3,6'/MI ACCESSIBLE AND <br /> BENCHMARK AVAILABLE <br />L-L'/MAP DERIVED 3-6 BROAD,3,6'/MI LEFT BANK NOT <br /> ACCESSIBLFJCONFLUENCE <br /> WITH LITILE SNAKE RIVER <br />NO CROSS-SECTION 0-3 MEDIUM, 3,6'/MI LIMITED ACCESS <br /> <br />PHYSlOORAPHlC CHANNEL SHAPE CLASSIFICATION; <br />Distance between elevation contours set 15 feet above existing water level <br />BROAD - >0.5 MILE WIDE <br />MEDIUM - 0.2 - 0,5 MILE WIDE <br />NARROW - 0,1 - 0.2 MILE WIDE <br />CANYON - <,I MILE WIDE <br /> <br />I _ Slope not used as parameter for classification <br /> <br />IYAMPA.TBL <br />