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<br /> <br /> <br />0 Acres Sq. Miles <br />'J <br /> Irrigated lands 1, 351, 000 2, III <br />CJ1 Cultivated without Irrigation 212,000 425 <br />....... Grazing Lands <br /><0 <br />Publicly owned 29, 221, 000 45, 658 <br /> Priva.tely owned 8,775.000 13, 711 <br /> State a.nd County 2. 860, 000 4, 469 <br /> Indian Reservations 8. 775, 000 13,711 <br /> Total 49, 631, 000 77, 549 <br /> National Forests, Parks. <br /> Monllrtlents 14, 20 I, 600 22,190 <br /> Miscellaneous Areas 4,873, 360 7, 614 <br /> Total 70, 3ZS, 960 109, 889 <br /> <br /> <br />The following table shows the distribution of the grazing areas in the <br />Upper Ba.in States: <br /> <br />GRAZING AREAS IN UPPER BASIN STATES EXCLUSIVE <br />OF NATIONAL FORESTS <br /> <br />, <br /> <br />State <br /> <br />Colorado <br />Wyoming <br />Utah <br />New Mexico <br />Arizona <br /> <br />Square Miles <br /> <br />23, 231 <br />14, 736 <br />30,330 <br />9,496 <br />6, 896 <br />84,689 <br /> <br />Total <br /> <br />The increase in runoff caused by man from the grazing areas for the <br />States of the Upper Basin has been estimated as shown in the following <br />table: <br /> <br />Colorado <br />Graldng area <br />Average elevation <br />Total runoff <br /> <br />23. 231 sq. mi. <br />6. 960 feet <br />2.840,000 acre feet <br /> <br />This runoff,b e.stimated to be 1250/. of that prevailing before man's activities <br />in the Basin, which amounts to an increase of 568,000 acre feet. <br /> <br />Wyoming <br />Grazing area 14, 736 sq. mi. <br />.Average elevation 7,180 feet <br />Total runoff I, 210, 000 acre feet <br /> <br />This runoff is estimated to be 125% of that prevailing before m.an's activities <br />in the Basin, which amounts to an increase of 247,000 acre feet annually.' <br /> <br />-11- <br />