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Dulce Base is the subject of a conspiracy theory claiming that a jointly-operated human and alien underground facility exists under Archuleta Mesa on the Colorado–New Mexico border near the town of Dulce, New Mexico, in the United States. [1] Claims of alien activity there first arose from Albuquerque businessman Paul Bennewitz. [2]
The Cheyenne Mountain Complex is a United States Space Force installation and defensive bunker located in unincorporated El Paso County, Colorado, next to the city of Colorado Springs, [2] at the Cheyenne Mountain Space Force Station, [a] which hosts the activities of several tenant units.
Schematic of an aquifer showing confined zones, groundwater travel times, a spring and a well. An aquifer is an above land layer of water-bearing material, consisting of permeable or fractured rock, or of unconsolidated materials (gravel, sand, or silt). Aquifers vary greatly in their characteristics.
A schematic view of a station box. A station box is a term in the construction industry: It describes a box-like underground structure for a transportation system, for example a metro or tube station. [1] Station boxes are built in two methods – "top-down" or "bottom-up".
An underground base is a subterranean facility used for military or scientific purposes. Examples are: Cheyenne Mountain Complex; Chiashan Air Force Base; Iranian underground missile bases; Raven Rock Mountain Complex; Zeljava Air Base; There may be more than 10,000 underground military facilities worldwide. [1]
Schematic of underground mine ventilation The mine ventilation fan, before 1908. Underground mine ventilation provides a flow of air to the underground workers of a mine with sufficient volume to dilute and remove dust and noxious gases (typically NO x, SO 2, methane, CO 2 and CO) and to regulate temperature.
Subsurface utility engineering (SUE) refers to a branch of engineering that involves managing certain risks associated with utility mapping at appropriate quality levels, utility coordination, utility relocation design and coordination, utility condition assessment, communication of utility data to concerned parties, utility relocation cost estimates, implementation of utility accommodation ...
Raven Rock Mountain is adjacent to Jacks Mountain on the north while Miney Branch flows west-to-east between them in the Potomac River Watershed.The 1820 Waynesboro-Emmitsburg Turnpike with toll station for the 1787 crossroad was constructed between the mountains, where the Fight at Monterey Gap was conducted after the 1863 Battle of Gettysburg (Stuart's artillery at Raven Rock Gap shelled ...