Operation Bedrock — Country United States Test site Nevada Test Site Period 1974 1975 Number of tests 27 Te … Wikipedia
Nuclear weapons testing — Nuclear weapons History Warfare Arms race Design Testing Effects Delivery Espionage … Wikipedia
Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock … Wikipedia
Geotechnical engineering — [ Boston s Big Dig presented geotechnical challenges in an urban environment.] Geotechnical engineering is the branch of civil engineering concerned with the engineering behavior of earth materials. Geotechnical engineering includes investigating … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
Ice core — An ice core is a core sample from the accumulation of snow and ice over many years that have re crystallized and have trapped air bubbles from previous time periods. The composition of these ice cores, especially the presence of hydrogen and… … Wikipedia
Nevada National Security Site — Nevada Test Site November 1951 nuclear test at Nevada Test Site. Test is shot Dog from Operation Buster, with a yield of 21 kilotonnes of TNT (88 TJ). It was the f … Wikipedia
Operation Anvil (nuclear test) — Operation Anvil Husky Pup test chamber 1. Information Country United Stat … Wikipedia
Overdeepening — Sognefjord in Norway, the second longest fjord in the world, shows characteristic overdeepening. Overdeepening is a characteristic of basins and valleys eroded by glaciers. An overdeepened valley profile is often eroded to depths which are… … Wikipedia
Operation Arbor — Country United States Test site Nevada Test Site Period 1973 1974 Number of tests 19 Test … Wikipedia