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<br />" <br /> <br />z <br /> <br />133:3. <br />Z Habitat-type maps will be made of entire river, using color- <br />infrared aerial photographs (1:24,000) and U.S.G.S. Quadrangle <br />maps. Habitat types mapped will be; <br /> <br />I) <br />I <br />'I <br /> <br />a. Riparian vegetation <br /> <br />1) open park <br />2) cot tonwood <br /> <br />'[, <br />I <br />I <br /> <br />3) cottonwood - willow <br /> <br />4) pure willo", <br /> <br />b. Prairie - grassland <br /> <br />I <br />\ <br /> <br />c. Cropland <br /> <br />d, \/etlands <br /> 1) cattail marsh <br /> 2) open water marsh <br />e. Conifer <br /> 1 ) ponderosa pine <br /> 2) douglas fir <br />f, Chaparral <br /> <br />, <br /> <br />I, <br />I <br />I, <br />: <br /> <br />I' <br /> <br />,I <br /> <br />II <br />il <br />II <br />I <br />I <br />II <br />I <br />I <br />, <br /> <br />Ground-truth' information will be based on previous work done <br /> <br />through the University of Northern Colorado (Greeley), and will <br /> <br />be spot-checked and extrapolated to unstudied portions of the <br /> <br />river where needed. <br /> <br />3. Field Investigations <br /> <br />,a. Spot-selected sampling points. <br />1) define vegetation (species comp., tree heights and <br /> <br />diameters, basal areas, etc.) <br /> <br />Z) survey habitat for potential wildlife species. <br />