Gilliam's Mill in the census of 1860 was enumerated in Red River County. It employed four men at an average wage of about $44 monthly. From $700 worth of raw materials, the mill manufactured 600,000 feet of lumber worth $6,500. It was not listed in the census of 1870, but the Gilliam & Record mill was enumerated and valued at $6,000, employing twelve men who earned $3,600 total in eight months. Raw materials included 4,000 logs worth $2,000. It produced 500,000 feet of pine lumber valued at $10,000.