Island Mine Post Office (historical) USGS Sugar Mountain Quad, Michigan, Topographic Map
Island Mine Post Office (historical) is a Post Office in the state of Michigan (county of Keweenaw), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 47.90833 and W -89.00278. Island Mine Post Office (historical) is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Sugar Mountain quad.








