North Dakota History
Geology of the North Unit, Theodore Roosevelt National Memorial Park
GEOLOGY OF THE NORTH UNIT
THEODORE ROOSEVELT NATIONAL MEMORIAL PARK*
WILSON M. LAIRD, State Geologist
Published for the
Theodore Roosevelt Nature & History Association
Medora, N. Dak.
Reprinted from North Dakota History, Vol. 23, No. 2, April 1956
Published by the State Historical Society of North Dakota
Bismark, N. Dak.
*The park was redesignated Theodore
Roosevelt National Park in 1978.
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Last Updated: 28-Mar-2006