MIT Libraries logo

Search Constraints

Number of results to display per page

Search Results

1. Geologic map of the Gunflint Lake quadrangle, Cook County, Minnesota, M-42

1978. Morey, G.B. and Nathan, H.D. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Gunflint Lake quadrangle, scale ...

2. Lower and Middle Precambrian stratigraphic nomenclature for east-central Minnesota, RI-21, Plate 1

1978. Morey, G.B. Generalized interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of east-central Minnesota, ...