Complex sentence: He worked as a civilian employee at the United States Army base Fort Polk while establishing his Clyde Holloway Nursery, one of the oldest and largest commercial horticultural operations in Forest Hill, which generated some $1.7 million in gross snnual receipts.
Split into simpler sentences: He worked as a civilian employee at the United States Army base Fort Polk. His Clyde Holloway Nursery is one of the oldest and largest commercial horticultural nurseries in Forest Hill, which generated some $1.7 million in gross snnual receipts.