Send the following on WhatsApp
Continue to ChatBlack Hill Tank Map - Pima County, AZ https://www.yellowmaps.com/usgs/topo.cfm?map=az-1524-black-hill-tank
Black Hill Tank Map - Pima County, AZ https://www.yellowmaps.com/usgs/topo.cfm?map=az-1524-black-hill-tank