Send the following on WhatsApp
Continue to ChatBig Island (historical) Map - Scott County, IL https://www.yellowmaps.com/usgs/topo.cfm?map=il-1821143-big-island-%28historical%29
Big Island (historical) Map - Scott County, IL https://www.yellowmaps.com/usgs/topo.cfm?map=il-1821143-big-island-%28historical%29