DES MOINES, IOWA. USGS 100K Quad Topographic 30 min x 60 min map. The SE corner of the map is at Latitude 41° 30' 00" N and Longitude 093° 00' 00" W. These are high resolution scans printed when you order on high quality 24# mapping paper. Size is approximately 23 x 29 inches for 24k maps though may be wider for 100k and 250k maps. Prints are shipped ASAP and your satisfaction is guaranteed; used by hunters, hikers and sportsmen for over 50 years