Alpena South Dakota US Topo Map
2021 topographic map quadrangle Alpena in the state of South Dakota. Scale: 1:24000. Based on the newly updated USGS 7.5' US Topo map series and is in the following counties: Beadle, Sanborn, Jerauld. The map contains contour data, water features, and other items you are used to seeing on USGS maps, but also has updated roads and other features. This is the next generation of topographic maps. Printed on high-quality waterproof paper with UV fade-resistant inks.