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<br />2
<br />
<br />The Land
<br />
<br />The cultivated areas for each year from 1922 to 1964, as published in annual
<br />
<br />water bulletins of the International Boundary and Water Commission, are listed in
<br />
<br />table 1. Also listed in table 1 are five-year averages (computed as average of
<br />
<br />current year plus two next on each side); these averages were computed to smooth
<br />
<br />out sharp irregularities of the annual data. Data from table 1 were plotted to
<br />
<br />define the curves shown on figure 1 (p. 38); these curves show cultivated area,
<br />
<br />and increase in area, from 1922 to 1964.
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<br />Table 1.- U. S. Acreage receiving water from the Rio Grande
<br />
<br /> Cultivated area Cultivated area Cultivated area
<br />Year Year Year
<br /> Acres 5-yr ave Acres 5-yrav, Acres 5-yr ave
<br />1922 216,000 - 1937 321,000 353,664 1952 513,351 576,110
<br />23 237,000 - 38 338,000 389,471 53 474,662 589,306
<br />24 268,000 269,200 39 425,3:;)2 409, 370 54 657,743 597,672
<br />25 298,000 294, 600 40 505,024 443,105 55 678,909 649,002
<br />26 327,000 318,000 41 457,493 484,599 56 663,737 708,287
<br />27 343,000 338,400 42 489,675 505,106 57 770,001 731,341
<br />28 354,000 356,400 43 545,469 513,584 58 771,046 750,718
<br />29 370,000 358,000 44 527,870 543,986 59 773,014 773,027
<br />30 388,000 360 ,000 45 547,415 557,441 60 775,790 775,778
<br />31 335,000 353,800 46 609, 500 566,899 61 775,284 777,707
<br />32 353,000 336,800 47 556,953 584,927 62 783,757 779, 129
<br />33 323,000 326,400 48 592,755 598,030 63 780,690 -
<br />34 294,000 331,000 49 618,012 600, 510 64 780,126 -
<br />35 327,000 324,600 50 612,928 591,790
<br />36 358,000 327, 600 51 621,904 568,163
<br />
<br />Note.- Data tabulated from I. B. & W. C. published reports; 1964 from
<br />Special Water Master monthly reports.
<br />I. B. & W. C. estimates that irrigated ac~eage is about 80 per-
<br />cent of cultivated acreage.
<br />
<br />~. ,....j r" t. ~ ' -..
<br />vV'-_ilol
<br />
<br />The I. B. & W. C. estimates that in any one year the land irrigated will be,
<br />
<br />on the average, about 80 percent of the cultivated area. This percentage may vary
<br />
<br />greatly for any one year and is subject to considerable error; however, it is the
<br />
<br />best estimate available.
<br />
<br />A total of 780,394 acres were declared irrigated as of April 24, 1965,
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