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Show People living on farms in Utah: Tear Year 31 1920 1* 30 140,249 115,71? In the nairtg Utah's agriculture depends upon irrigation, and the limit of expansion is water,. . There are about 850,000 acres of irrigated land in the State requiring annually about 205OOfOOO acre foet of irrigating water0 Where and how more water can be obtained for this purpose will ultimately become a problen of greatest importance,, ( b) Industry! i - Those dependent upon industry may be classified into the following sub- groups: % Of Those Dependent % Upon Industry,, Mining - Metal 70 Coal 14 84 Manufacturing - 16 100 Metal Mining The following table shows Utah's normal production of non- ferrous metals per year: % of Total formal Production ff » Sc Production Copper Lead Zinc Silver - 3 - 140r000 tone 15 145P00O tons 23 50,000 tons 7 19- 000,000 o28, 33 |