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The primary purpose of this context is to assist in the identification of places associated with the Underground Railroad that are eligible for National Historic Landmark designation and for listing in the National Register of Historic Places. In 1990, the United States Congress authorized the National Park Service to conduct a study of the resources available nationally for the interpretation of the Underground Railroad. A special resource study published in 1995 determined that there were sufficient resources available and suggested a variety of approaches for commemoration of the...