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| | Handbook of Texas Online: |
 | | The North Bosque River, the longest branch of the river, rises in north central Erath County and cuts through Hamilton County into Bosque County, where it is joined by the East Bosque River, which rises in Erath County. |
 | | From their confluence the North Bosque continues into central McLennan County, where it is joined by the South and Middle Bosque rivers as it flows into Lake Waco. |
 | | The upper branches, in Erath, Hamilton, and Bosque counties, are relatively narrow, free-flowing, and scenic, with clear water and heavily vegetated banks. |
| www.tsha.utexas.edu /handbook/online/articles/view/BB/rnb5.html (286 words) |
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