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| | Handbook of Texas Online: EL PASO COUNTY |
 | | The county comprises 1,057 square miles of desert and irrigated land that rises from an elevation of 3,500 feet at the Rio Grande to 7,000 feet at the summits of the Franklin Mountains. |
 | | Its population of 3,845 in 1880 grew to 15,678 in 1890, to 24,886 in 1900, and to 101,877 in 1920. |
 | | Meanwhile, the county population increased to 194,968 by 1950, to 314,070 by 1969, to 359,291 in 1970, to 479,899 in 1980, and to an estimated 591,610 in 1992. |
| www.tsha.utexas.edu /handbook/online/articles/view/EE/hce5.html (2876 words) |
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