Leveling operations on the Washington Monument grounds. Edward E. Carlson at
left and David B. Crockett at the instrument.
Image ID: geod0533, NOAA's Geodesy Collection
Location: Washington, D. C.
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
| NOAA Disclaimer
May 12, 2014