/industries/oilandgas/b/oil-gas-blog/posts/protecting-the-astronomers-dark-skies-1166651667“The 36″ atop Mt. Locke at the McDonald Observatory, Texas.” by Zereshk is licensed under CC BY-SA 3.0 The history of McDonald Observatory in the Davis Mountains of West Texas dates back to the 1920s. The location was ideal due to : …some of the darkesten-USTelligent Community 13