00655cam a2200205 i 4500 288364492 TxAuBib 20170329120000.0 170329|||||||||||||||||||||||||||||und|u TxAuBib rda Polk County Historical Commission. Polk County state historical markers / Polk County Historical Commission. unp. : ill. txt rdacontent n rdamedia nc rdacarrier 20170329. Historical markers Polk County, Texas. TXMML