Background elements suggest that they are cotton harvesters. Main Heritage Display General HC.HP.2016.0018-0001 2-D Graphic Item-ID: i23694981 BIB-ID:... Show moreBackground elements suggest that they are cotton harvesters. Main Heritage Display General HC.HP.2016.0018-0001 2-D Graphic Item-ID: i23694981 BIB-ID: 2523862 Show less