Statue of Liberty National Monument Statue of Liberty National Monument The Statue of Liberty National Monument is a United States National Monument located in the U.S. states of New Jersey and New York comprising Liberty Island and Ellis Island. It includes "Liberty Enlightening the World", commonly known as the Statue of Liberty, situated on Liberty Island, and the former immigration station at Ellis Island, including the Ellis Island Immigrant Hospital. The monument is managed by the National Park Service as part of the National Parks of New York Harbor office. President Calvin Coolidge used his authority under the Antiquities Act to declare the statue a
Statue of Liberty of the copper skin over decades, leaving two layers of coal tar, originally applied to plug leaks and prevent corrosion. Blasting with baking soda powder removed the tar without further damaging the copper. The restorers' work was hampered by the asbestos-based substance that Bartholdi had used—ineffectively, as inspections showed—to prevent galvanic corrosion. Workers within the statue had to wear protective gear, dubbed "moon suits", with self-contained breathing circuits. Larger holes in the copper skin were repaired, and new copper was added where necessary. The replacement skin was taken from a copper rooftop at Bell Labs, which had a patina that