The tracts of land, easements, and other real estate known before February 26, 1919, as the Sieur de Monts National Monument, situated on Mount Desert Island, in the county of Hancock and State of Maine, are declared to be a national park and dedicated as a public park for the benefit and enjoyment of the people under the name of the Acadia National Park, under which name the aforesaid national park shall be entitled to receive and to use all moneys heretofore or hereafter appropriated for Sieur de Monts National Monument.