Mount Rushmore teaches readers about the making of a memorial to honor four of America's most popular presidents. The faces of Presidents Washington, Jefferson, Lincoln, and Roosevelt were carved into a mountain of granite over the course of twelve years. Completed in 1941, the memorial receives 2.5 million visitors each year and is preserved yearly. Photos, captions, a map, and a time line support the text.Mount Rushmore teaches readers about the making of a memorial to honor four of America's most popular presidents. The faces of Presidents Washington, Jefferson, Lincoln, and Roosevelt were carved into a mountain of granite over the course of twelve years. Completed in 1941, the memorial receives 2.5 million visitors each year and is preserved yearly. Photos, captions, a map, and a time line support the text.