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If the item currently exists in our website, it is displayed below. If not, the link that you are referencing is no longer valid and no longer exists on our website. We will have some collections moved in the coming months. See what's coming in updates for Signature Collections or Digital WHILBR Collections on ContentDM.
On January 8, 1971, President Richard M. Nixon signed into law the bill creating the Chesapeake & Ohio Canal National Historical Park. In the mid-1970s, National Park Service historian Harlan D. Unrau produced a major, handwritten, multi-volume study of the history, engineering, operation, maintenance, and other aspects of the Chesapeake & Ohio canal. A rough, unedited typed version was produced in the early 1980s for general use by park staff.