For years, ecologists have longed for the technology to be able to survey entire forests, knowing what kind of species, the height and width of each and every tree. With aerial 3D laser scanning, this has become a possibility.
Surveying the Washington Monument: is it sinking?
After an earthquake in Mineral, VA, damaged the massive stone obelisk, extensive repairs were needed. Part of that process involved wrapping the structure in scafolding. Some $15 million dollars and a year later, repairs were finally completed this May (2014).
The government office tasked with knowing the exact coordinates and dimensions of the monument took this as an opportunity to have a survey crew resurvey the monument. When last surveyed in 1999, the monument was 555 feet, 5 1/8 inches.
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