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| | Handbook of Texas Online: |
 | | The Canadian River, the largest tributary of the Arkansas River, rises in the Sangre de Cristo Mountains in southern Las Animas County, Colorado, near Raton Pass and the boundary line with Colfax County, New Mexico (at 37°01' N, 105°03' W), and flows south and southeastward, separating the Llano Estacado |
 | | The river is dammed to form the Conchas and Ute reservoirs in northeastern New Mexico before it enters Texas at about the midpoint of the western boundary of Oldham County. |
 | | A tributary, the North Canadian, heads in Union County, New Mexico (at 36°30' N, 102°09' W), and flows briefly into the northern Texas Panhandle before continuing on to its confluence with the river in McIntosh County, Oklahoma (at 36°30' N, 101°55' W). |
| www.tsha.utexas.edu /handbook/online/articles/view/CC/rnc2.html (686 words) |
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