| MEAD | Reservoir of Hoover Dam, one of the largest man-made lakes in the world, on the Arizona-Nevada border (4) |
| EDGE | Borde (4) |
| DOWS | Man-made Lake in the nation's capital |
| KIELDER | ___ Water, the largest man-made lake in northern Europe (7) |
| RESERVOIR | Man-made lake's river rose disastrously (9) |
| ARALSEA | Body of water between Kazakhstan and Uzbekistan that was once one of the four largest lakes in the world |
| HOOVER | Dam on the Colorado River, on the Arizona/ Nevada border (6) |
| HOOVERDAM | Structure on the Arizona/Nevada border |
| KARIBA | Largest man-made lake and reservoir in the world, on the Zambia-Zimbabwe border in central Africa (6) |
| RENO | ' The Biggest Little City in the World', on the Truckee River in western Nevada ( 4) |
| ARTIE | The Strongest Man in the World, on "The Adventures of Pete & Pete" |
| LOCHNESS | Body of water in the Scottish Highlands which is one of the largest lakes in the British Isles (4,4) |
| VOLTA | The world's largest man-made lake (Ghana) |
| ATACAMA | Driest nonpolar desert in the world, on the Pacific coast of South America mostly within northern Chile (7) |
| EVEREST | Highest known mountain in the world on the border of Nepal and Tibet |
| CARLYLE | US city home to Illinois' largest man-made lake (7) |
| VICTORIA | Chief reservoir of the Nile, this lake, the largest in Africa, lies mainly in Tanzania and Uganda but borders on Kenya (8) |
| DDT | Rachel Carson's 1962 book, Silent Spring, focussed the attention of the world on the ecological prob |
| SILBURYHILL | Largest man-made prehistoric mound in Europe, in Wiltshire approximately 16 miles north of Stonehenge (7,4) |
| UTAH | US state, home to the world's largest man-made excavation, the Bingham Canyon Mine (4) |