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Lewis and Clark and the U.S. Geological Survey in North Dakota
|President Thomas Jefferson instructed Meriwether Lewis, "Beginning at the mouth of the Missouri, you will take
observations of latitude & longitude, at all remarkable points on the river, & especially at the mouths of rivers…."
(DeVoto, 1953). Thus, the
journals of Lewis and Clark detail the confluence of the Missouri River with its tributaries.
The Cannonball, Little Missouri, and Yellowstone Rivers,
which flow through North Dakota, are notable entries in the
In addition to the confluences of the Missouri River and its tributaries,
this site focuses on the Fort Mandan area, where Lewis and Clark spent the winter
of 1804–1805; the Bismarck/Mandan area,
from both historical and present–day perspectives; and the dams
that have greatly affected the present-day Missouri River.
DeVoto, Bernard, ed., 1953, The Journals of Lewis and Clark: New York, Mariner Books Houghton Mifflin Company, 504 p.
Reid, Russell, ed., 1947-48, Lewis and Clark in North Dakota: Reprinted from North Dakota History, published by the State Historical Society of North Dakota, vol. 14-15, 359 p.
- Lewis & Clark's Mission
- Thomas Jefferson’s detailed mission instructed Lewis to gather much of the same data that the U.S. Geological Survey continues to gather today.
- All Remarkable Points on the River
- Explore points on the Missouri River considered remarkable by Lewis
and Clark and a few considered remarkable today.
- Lewis and Clark Educational Resources
- Lewis and Clark and the U.S. Geological Survey have made great
contributions to the mapping of America. Explore mapping from
1798 to the present.
- Photo Gallery
- Take a photographic journey up the Missouri
River and see what Lewis and Clark described.
- The U.S. Geological Survey has a wealth of publications related to
the natural resources of North Dakota and to the Missouri River.
- Related Web Sites
- Lewis and Clark, U.S. Geological Survey, North Dakota, and Missouri River links for further exploration and education.