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Pages 95-97

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From page 95...
... F-1 Aerial photograph A vertical or oblique photograph taken from an airplane. Aggradation General and progressive buildup of the longitudinal profile of a channel bed because of sediment deposition.
From page 96...
... Debris Floating or submerged material, such as logs, vegetation, or trash, transported by a stream. Degradation (bed)
From page 97...
... Rectify The removal of the effects of tilt or edge distortion from an aerial photograph. Revetment Rigid or flexible armor placed to inhibit scour and lateral erosion (see bank revetment)

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