. Reclamation of alkali land in Salt Lake Valley, Utah . Fig. 1.—Swan Tract Before Fig. Tract After Reclamation, Showing Hlavy Growth of Alfalfa. RECLAMATION OF THE SWAN TRACT. 17 following table shows the quantity of alkali in the tract as shown bythe surveys taken at different times: Quantity of alkali vn different depths of soil on certain dates. ction. Alkali in 40 September, 1902. May, 1903. October, 1903. October, L904. Tons. 1,5401,7661,982 Percent. Ton*. 499 1423 650 lit Tone. Percent. Tone. Percent. 101 S 38 4 1x3 I., 128 13 Third 27 1. 31 330
. Reclamation of alkali land in Salt Lake Valley, Utah . Fig. 1.—Swan Tract Before Fig. Tract After Reclamation, Showing Hlavy Growth of Alfalfa. RECLAMATION OF THE SWAN TRACT. 17 following table shows the quantity of alkali in the tract as shown bythe surveys taken at different times: Quantity of alkali vn different depths of soil on certain dates. ction. Alkali in 40 September, 1902. May, 1903. October, 1903. October, L904. Tons. 1,5401,7661,982 Percent. Ton*. 499 1423 650 lit Tone. Percent. Tone. Percent. 101 S 38 4 1x3 I., 128 13 Third 27 1. 31 330 28 212 24 30 1,265 607 500 Total • ....,1 3,480 1,221 878 The alkali removed from the first foot between September, L902,and October, 1904, was .7 per cent of the total quantity originallycontained. From the second foot 91 per cent was removed, from thethird f«»t s7 per cent, and from the fourth foot 75 per cent. Thesefigures show that to a depth of 4 feet there has been 87 per cent ofthe original alkali removed from the entire tract. Compared with its condition in September,
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