USGS Duncan Reservoir Quad, Oregon, Topographic Map
Duncan Reservoir quad is a topographic map (topo) in the state of Oregon (OR), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 42.99987 and W -121.0011. Duncan Reservoir is sourced from the USGS (United States Geographical Survey). The nearest major town is Summer Lake, OR.








