dam | Hoover Dam | Aswan Dam | Grand Coulee Dam | Kinzua Dam | Grand Teton | Bonneville Dam | Grand Rapids Dam | embankment dam | Beaver Dam, Arizona | Merowe Dam | Beaver Dam, Wisconsin | Three Gorges Dam | Middle Teton | Mangla Dam | Beaver Dam | Aswan Low Dam | Akosombo Dam | Teton County, Montana | Teton County | Shasta Dam | Itaipu Dam | Fort Peck Dam | Fontana Dam | Dam Square | Chickamauga Dam | Yacyretá Dam | Wilson Dam | Tiga Dam | Temenggor Dam |
He investigated many major disasters, such as the 1964 Great Alaska Earthquake, the 1971 San Fernando earthquake in California, the 1976 failure of the Teton dam, the 1979 slide at the port of Nice in France, and the 1985 Mexico City earthquake.