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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 |
 | | 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). |
 | | Among the Canadian's principal tributaries in Texas are Big Blue, Tallahone, Red Deer, Pedarosa, Punta Agua, Amarillo, Tascosa, and White Deer creeks. |
| www.tsha.utexas.edu /handbook/online/articles/view/CC/rnc2.html (686 words) |
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