1. Hoover Dam (1936)  Also Called Boulder Dam  Arch & Gravity Dam  726 feet High, 1244 feet Long  Colorado River  Lake Mead

2. Aswan High Dam  Erected 1960 - 1968  Across Nile Near Aswan - Lake Nasser  Soviet Sponsored  365 feet High, 3280 feet Long  2100 MW Capacity

3. Canals  Grand Canal Of China  Erie Canal  Suez Canal  Panama Canal

4. Grand Canal Of china  Began - 6th Century BC  Completed - 1327  Tianjin City To Hangzhou  Still In Use  1107 miles Long

5. Erie Canal  Lake Erie To Hudson River  Began - 1817  Completed - 1825  363 miles Long, 40 feet Wide, 4 feet Deep  Main Use - Grain From The Midwest To NYC  Today - St. Lawrence Seaway  Little Used

6. Suez Canal  Connects Mediterranean To Gulf of Suez (Indian Ocean)  Origins - 13th Century BC  Egyptians  Nile Delta To Gulf Of Suez  Began - 1859  Completed - 1869  Length - 101 miles, Depth - 53 feet  Ships - Aircraft Carriers, Limited Tankers  No Locks

7. Panama Canal

8.  “Greatest Engineering Work Ever”  Connects Carribean Sea To Pacific Ocean  Began - 1905  Completed - 1914  40 miles Long, 41 feet Deep  3 Locks Up 85 Feet To Lake Gatun  Difficulties - Excavation, Slides, Disease  Panama Owns, US Defends