The USC&GS developed unique specifications for this work that resulted in one part in 1,000,000, exceeding Air Force requirements.
[2] The Geodimeter electronic distance measurement device was rapidly tested and adopted by U.S. national agencies for long-distance mapping.
[8][9] The instruments were located atop Bilby towers many meters above ground level to avoid obscuring objects and to get a smoother air temperature profile for accuracy.
[10] Photographic satellite triangulation stations were tied in to the traverse at Moses Lake, Washington; Chandler, Minnesota; Beltsville, Maryland; and four other locations.
[11][12] This article incorporates public domain material from The High-precision Transcontinental Traverse: Improving the Scale of the U.S. Survey Network.