Hamm Island USGS Dubuque North Quad, IA,WI, Topographic Map

Hamm Island is an Island in the state of (county of Dubuque), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 42.51472 and W -90.64429. Hamm Island is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Dubuque North quad. The nearest major town is Dubuque, IA.