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University of Minnesota Twin Cities
Minnesota Geological Survey
Open-File Reports
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Open-File Reports
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https://hdl.handle.net/11299/92918
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Browsing Open-File Reports by Author "Bonnichsen, B."
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Geology of the Ely-Hoyt Lakes District, northeastern Minnesota
(
Minnesota Geological Survey
,
1974
)
Bonnichsen, B.
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Map and explanation for the geologic map of the Duluth Complex in the Babbitt-Hoyt Lakes area, Minnesota
(
Minnesota Geological Survey
,
1969
)
Bonnichsen, B.
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