North Dakota Geological Survey


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Supplied as Diazo print

Please specify rolled or folded.

Fence Diagram
Shows general geologic structure and stratigraphy of North Dakota (48" x 32"). $2.50.
Cross Sections of Post-Pierre Strata in Western North Dakota
These logs show typical Pierre Formation tops in western North Dakota, by C. G. Carlson, 1978. $2.00
Stratigraphic Test Location Map
Scale 1:500,000. $2.50.