pl23_cgs01987.jpg
Description
U. S. Coast and Geodetic Survey triangulation station marker designated Dorm1953.
Collection
Historic Coast & Geodetic Survey
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.