[4] It was erected along the Trinity River below the army camp site he established and named after one of his military commanders.
He was sent to the Second Dragoons in Florida in 1838 and brevetted captain in 1842 for gallantry in the Seminole War and major in 1846 for his role in the battle of Palo Alto.
[3] After the Mexican–American War, he was given command of Company F of the Second Dragoons and sent to Texas to establish a military post close to the Trinity River.
After locating a suitable site, Arnold left Fort Graham with 42 dragoons to establish Camp Worth, named after his former commanding officer, who had recently died of cholera in San Antonio.
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