Schmidt, Robert Gordon, 1924-

Geology and ore deposits of the Cuyuna North Range, Minnesota. - Washington, U.S. Govt. Print. Off., 1963. - 96 p. illus., map, diagrs., tables and portfolio (11 fold. plates (incl. maps (part col.))) 29 cm.

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gs 63000337


Geology--Minnesota--Cuyuna North Range
Ore deposits--Minnesota--Cuyuna North Range.
Iron ores--Minnesota--Cuyuna North Range

QE75 / .P9 no. 407

I 19.16:407/