Geology and monazite content of the Goodrich quartzite, Palmer area, Marquette County, Michigan : a contribution to geology of uranium /

Autor Vickers, R. C.
Vydáno 1956

The Marguette range supergroup in the Gogebic iron district, Michigan and Wisconsin : geologic description of the Precambrian X strata, particulary the Ironwood Iron-formation, and of the relationship between ore location and variations in sedimentary facies and metamorphic grade /

Autor Schmidt, Robert Gordon, 1924-
Vydáno 1980