Geology of Isaac Lake quadrangle, St Louis County, Minnesota, SP-8, Plate 1
Description
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Isaac Lake Quadrangle, St. Louis County, Minnesota, scale 1:24,000.
Griffin, William L., Morey, G.B. (1969). Geology of Isaac Lake quadrangle, St Louis County, Minnesota, SP-8, Plate 1. Minnesota Geological Survey. (map)