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FLAG BRANCH (Erath County). Flag Branch rises five miles southeast of Duffau in extreme southeastern Erath County (at 32°06' N, 97°57' W) and runs southeast for eight miles to its mouth on the East Bosque River, east of Big Lake in northeastern Bosque County (at 32°04' N, 97°50' W). The creek, which is dammed at one point to form Flag Branch Lake, traverses variable terrain surfaced by shallow, stony clay loams that support juniper, oak, grasses, chaparral, and cacti.


The following, adapted from the Chicago Manual of Style, 15th edition, is the preferred citation for this article.

"FLAG BRANCH (ERATH COUNTY)," Handbook of Texas Online (, accessed November 28, 2015. Uploaded on June 12, 2010. Published by the Texas State Historical Association.