Obelisk’s architectural elevation measurement now meets international standards
This photo with overlay shows the measuring points likely used by USACE’s Lt. Col. Thomas Casey in 1884 and the international standard measuring point used by NOAA in 2014. NOAA Illustration. (Credit: NOAA)
Washington, DC–(ENEWSPF)–February 16, 2015. Using new international measurement standards and technology not available in the past, NOAA’s National Geodetic Surveyhas calculated the official architectural height of the Washington Monument to be 554 feet…
