Pinterest
AllRefer.com > Pictures & Images > John F
John F Picture

John F

John F. Hayford observing from 60’ reconnaissance pole. On 98th Meridian Survey. Checking for intervisibility between stations. Helping plan for necessary height of tower at station

Photo Category: Geodesy - Triangulation - Towers - Wooden
Photo Location: Minnesota
Photo Date: 1903

Author: NOAA, John Hayford Album/ NOAA

License: Public Domain Mark 1.0 (Public domain)
420 x 640 34.70 KB
1064 x 1624 306.38 KB
Downloads
Embed Photo
(Copy & Paste in your website)
Link To Us
(Copy & Paste in your website)
Added On
18th October 2015
Viewed
6 viewed
Subscribe & Enjoy good quality of pictures everyday free in your mail