"5.1737e+06"^^ . . "Mount Rushmore National Memorial is a sculpture carved into the granite face of Mount Rushmore (Lakota Sioux name: Six Grandfathers) near Keystone, South Dakota, in the United States. Sculpted by Danish-American Gutzon Borglum and his son, Lincoln Borglum, Mount Rushmore features 60-foot (18 m) sculptures of the heads of four United States presidents: George Washington (1732\u20131799), Thomas Jefferson (1743\u20131826), Theodore Roosevelt (1858\u20131919), and Abraham Lincoln (1809\u20131865)."@en . . "Mount Rushmore National Memorial"@en . . "2185447"^^ . . . . "V" .