pl23_cgs01999.jpg
Image
Download ( 2.83 MB )Permalink
https://www.noaa.gov/media/digital-library-photo/pl23cgs01999jpgDescription
Using a power drill to drill a hole for placing a survey mark.
Collection
Historic Coast & Geodetic Survey
An official website of the United States government
Here’s how you know
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.