The only remaining building The only remaining building at Cambridge A few scraps of tin and pottery are all that's left This can dump seems to be of more contemporary cans and glass A large pit next to the building, possibly the remains of a foundation or....? The Cambridge Mine Caved in A few bits of wood at the mine site A view of the Rafter Seven Ranch off to the east Pine Grove Hills, NV, 1:62,500 quad, 1958, USGS1958 USGS map excerpt Historical Topographic Map Collection Pine Grove Spring, NV, 1:24,000 quad, 2012, USGS2012 Historical USGS map excerpt US Topographic Map Collection