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[St. Paul, Minn.] : U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Report Section, distributor, 1991]
I 19.76: 91-62 |
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2.
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[Mounds View, Minn. : The Survey ; Denver, CO : For sale by Earth Science Information Center, 1995]
I 19.76: 95-333 |
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3.
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St. Paul, Minn. : The Survey ; Denver, Colo. : [Books and Open-File Reports Section, distributor, 1992]
I 19.76: 91-512 |
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4.
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[Mounds View, Minn. : The Survey, 1995]
I 19.76: 94-488 |
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5.
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[St. Paul, Minn.] : U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1991]
I 19.76: 92-61 |
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6.
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St. Paul, Minn. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : Books and Open-File Reports Section [distributor], 1991.
I 19.76: 91-499 |
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