Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

pl23_theb1568.jpg

Observing station on Round Top - 10386 feet

Image

Download ( 721 KB )

Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb1568jpg

Description

Observing station on Round Top - 10386 feet.39th Parallel triangulation.Astro and triangulation party of George Davidson

Credit

NOAA Central Library

Display Date

1876

Location

California

Keywords

Geodesy

Triangulation

Angles