NOAA Photo Library Banner
Takes you to the Top Page Takes you to the About this Site page. Takes you to the Contacts page. Takes you to the HELP page. Takes you to the Credits page. Takes you to the Collections page. Takes you to the search page. Takes you to the Links page.

NOAA Photo Library Image - cgs00547

Bilby 116-foot portable steel tower used in triangulation. These towers are built by 5 men in approximately 6 hours. Preparations are being made for dismantling this tower in this image.

Image ID: cgs00547, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1933 ca.
Credit: NOAA Central Library Historical Imagery

• High Resolution Photo Available




Publication of the U.S. Department of Commerce, National Oceanic & Atmospheric Administration (NOAA),
NOAA Central Library
NOAA Privacy Policy | NOAA Disclaimer
Last Updated: September 30, 2009