The designation protects the land from development and complements plans to create a state park in
Members of Maryland's congressional delegation have for years sought to approve funding to honor Tubman on the Eastern Shore. The monument designation coincides with this year's commemoration of the 100th anniversary of Tubman's death March 10.
The Obama administration has previously designated only four national monument sites under Antiquities Act of 1906, which gives the president power to restrict the use of land. Gov.