The Geological and Natural History Survey of Minnesota: The Tenth Annual Report, for the Year 1881 (Classic Reprint) - Softcover

Winchell, N. H.

Softcover

ISBN 10: 1334575673 ISBN 13: 9781334575679

Verlag: Forgotten Books, 2018

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Reseña del editor:

Excerpt from The Geological and Natural History Survey of Minnesota: The Tenth Annual Report, for the Year 1881

Below the above-mentioned bed of dark-brown or red shale, the rock is altogether less firm and siliceous than it is above, or to the east After a thickness of about twelve feet of rock, somewhat like the rock overlying, another bed of shale, or shaly rock, is met with, whose extent cannot be defined, as it seems to alternate with thin bands of.

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Über diese Auflage

• Verlag: Forgotten Books
• Erscheinungsdatum: 2018
• ISBN 10: 1334575673
• ISBN 13: 9781334575679
• Einband: Tapa blanda
• Anzahl der Seiten: 322