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Survey of
Historic Sites and Buildings

For the convenience of users of this volume, sites and buildings are listed alphabetically by State. The following code indicates site categories:

Site Categories

	National Park System unit (managed by National Park Service)
	National Park System unit (managed by Bureau of Land Management)
	National Historic Landmark
	Other Sites Considered

NOTE: The following descriptions indicate sites that are open to the public. Before visiting any of them, inquiry should be made to the owners or custodians concerning dates and hours of access and admission costs, usually nominal. Special permission should be obtained to visit privately owned sites. Web Edition Note: The description of these sites reflect their status at the time of publication of this document in 1975. The text reflects some minor updates to this material, but the viewer should consult other sources for more accurate up-to-date information.

The Lewis and Clark Expedtion — Historic Sites of National Significance. (click on image for an enlargement in a new window)

Maps