Shorter Contributions to General Geology, 1928
Description:
From introduction: The district discussed in this report embraces the entire northern peninsula of Michigan and the parts of northern Wisconsin and northeastern Minnesota that were covered by a re-advance of the Superior lobe of the Labrador ice sheet late in the Wisconsin stage of glaciation.
Date:
1929
Creator:
Mendenhall, W. C.
Partner:
UNT Libraries Government Documents Department