Send the following on WhatsApp
Continue to ChatAvalon Park (historical) Map - Washington County, OR https://www.yellowmaps.com/usgs/topo.cfm?map=or-1166827-avalon-park-%28historical%29
Avalon Park (historical) Map - Washington County, OR https://www.yellowmaps.com/usgs/topo.cfm?map=or-1166827-avalon-park-%28historical%29