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It contains numerous references to Area 51 and Groom Lake, along with a map of the area. [9] Media reports stated that releasing the CIA history was the first governmental acknowledgement of Area 51's existence; [53] [54] [15] rather, it was the first official acknowledgement of specific activity at the site. [50]
Groom Lake is a dry lake, [1] also described as a salt flat, [2] in Nevada.It is used for runways of the Nellis Bombing Range Test Site airport (KXTA). [3] Part of the Area 51 USAF installation, it lies at an elevation of 4,409 ft (1,344 m) [4] and is approximately 3.7 miles (6.0 km) from north to south and 3 miles (4.8 km) from east to west at its widest point, and is approximately 11.3 miles ...
For a location which has an elevation lower than that of the datum plane, the original position will move closer to the central point of the image. [4] Figure 11. This diagram shows an example of displacement. A is the location that is lower than the datum plane. It moves inward to the central point. B is the location that is higher than the ...
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Aerial photograph interpretation is a method of extrapolating geological details of the ground surface from aerial images. [1] It allows geologists to analyze the distinguishing geological features and structures , plant cover , past history of the site, soil properties, and topography of the study area.
1. Accurately solved vertical and oblique single images of the area of interest. The solution for each image is the result of the photogrammetric bundle block adjustment with self-calibration. 2. SLFs (Super Large Frames), used for stereo photogrammetric mapping. 3. DSM (Digital Surface Model) 4. DTM (Digital Terrain Model) 5.
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