obelisk-shaped tower, 555 ft 5 1/9 in. (169.3 m) high, located on a 106-acre (43-hectare) site at the west end of the Mall, Washington, D.C.; dedicated 1885. In 1783, Congress passed a resolution approving an equestrian statue of George Washington , and in 1791 architect Pierre L'Enfant included a site for the statue near the present location of the monument in his plans for the federal city. Washington, however, objected to the idea. After Washington's death in 1799, plans for a memorial were discussed but none was adopted until 1832, when the private Washington National Monument Society was formed. Its activity brought gifts of money as well as blocks of stone from each state, some foreign governments, and private individuals. These “tribute blocks” carry inscriptions on the inside walls of the monument. Architect Robert Mills 's elaborate Greek temple design was accepted for the monument, and on July 4, 1848, the cornerstone was laid. Work on the project was interrupted by political…