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_cgs06473.jpg

Image

Download ( 6.92 MB )

Permalink

https://www.noaa.gov/media/digital-library-photo/pl23cgs06473jpg

Description

No. 5 Primary Triangulation between Long Island and t Blue Ridge Sections II & III 1871. Annual Report 1871.

Collection

Historic Coast & Geodetic Survey

Historic Maps

United States Coast Survey Annual Report