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• green, highly turbid water shove up as light, robin's egg blue. <br />Photographic teature used for photo-interpretation on vegetated <br />areas depends on the size and spatial relationship of the plants. <br />Tezture also depends on the photographic scale and resolving power <br />of the camera Lens and photographic paper on which it is printed. <br />Three teztural classes are used to interpret infrared photographs: <br />fine, fuzzy, and coarse. <br />Location relative to elevation and drainage features is <br />important in predicting soil conditions and associated vegetation. <br />Githin floodplaina, even slightly elevated land may support <br />different plant communities than that of the surrounding plain. <br />IIaing a stereoscope to achieve a three-dimeasiooal view of the <br />subject area, the interpreter is able to make elevation <br />determinations. At the scale of these photographs, three <br />dimensional relief can be detected for objects such as trees of <br />about 6 to 8 feet in height. Channels in drainage bottoms with an <br />elevation difference of 2 to 3 feet can be detected. <br />The floodplaina of Foidel and Middle Creeks appear in the <br />infrared as a reddish-green area. Irrigation ditches are visible in <br />the green colored hillslopes surrounding the floodplain in the south <br />and east edges, and on the hillock protruding into the floodplain <br />between the two streams. There is a conapicuoua absence of trees on <br />. the floodplain, even on the atreambanka. Grazing activity is <br />evident in some parts of the floodplain, which shoes on the infrared <br />2.06-24 <br />