Ballard, Frederick V.

Structural and stratigraphic relationships in the paleozoic rocks of eastern North Dakota. - Grand Forks, N.D., 1963. - v, 42 p. maps, diagrs. 23 cm.

Part of illustrative matter folded in envelope.

Bibliography: p. 39-42.

gs 64000180


Geology--North Dakota.
Geology, Stratigraphic--Paleozoic.
Petrology--North Dakota.

QE149 / .B3