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Goddard Test Site, Auburn, Massachusetts: 1925–1930 5 Open field chosen as rocket test site in 1925; launch site of Robert H. Goddard's first liquid fuel rockets beginning on 16 March 1926. [60]: 143 United States: Eden Valley Test Site, Roswell, New Mexico
A test area for tunnel tests in northeastern North Korea. It sported several horizontal tunnels under the surrounding mountains but eventually testing settled on a single area under a mountain to the north of the base. The 2017 test weakened the mountain support and caused a cave-in, resulting in a reported 200 worker deaths.
Koonibba Test Range covers 41,000 km 2 (16,000 sq mi), making it the largest launch pad in the Southern Hemisphere. [9] It is situated in an uninhabited conservation park about 40 kilometres (25 mi) north-west of Ceduna, and intended for use launching and recovering rockets and for space research. The advantage of the site is that the land on ...
The Miami and Erie Canal Deep Cut is a well-preserved long section of the Miami and Erie Canal near Spencerville in western Ohio.The 6,600-foot (2,000 m) segment represents one of the major construction efforts of the canal; in order to avoid using locks to go over a ridge, the canal was dug deeply into it, far more than the 5-foot (1.5 m) depth of the canal itself.
This list of deepest mines includes operational and non-operational mines that are at least 2,212 m (7,257 ft), which is the depth of Veryovkina Cave, the deepest known natural cave in the world. The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point.
The easternmost and westernmost points on Earth, based on the east–west standard for describing longitude, can be found anywhere along the 180th meridian, which passes through the Arctic, Pacific, and Southern Oceans, as well as parts of Siberia (including Wrangel Island), Antarctica, and three islands of Fiji (Vanua Levu's eastern peninsula, the middle of Taveuni, and the western part of ...
In geography, a pole of inaccessibility is the farthest (or most difficult to reach) location in a given landmass, sea, or other topographical feature, starting from a given boundary, relative to a given criterion. A geographical criterion of inaccessibility marks a location that is the most challenging to reach according to that criterion.
GeoPlanet is a computer platform for coordinating world-wide geographic information, and providing both text and cartographic output, such as digital maps for any location in the world. [ 1 ] [ 2 ] It provides a location infrastructure for search engines , portals and both Web and WAP sites.