Digital collections
Description
Mixing cement to set bench mark (Image credit: NOAA)
Credit
NOAA
Location
Southeast Alaska
Category
Historic Coast & Geodetic Survey
Geodesy
Survey Marks
Keywords
Geodesy
Marks
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.