Digital Library Search
![Lieutenant Ray Jackson operating level instrument during tidal benchmark leveling operations cgs02485.jpg Lieutenant Ray Jackson operating level instrument during tidal benchmark leveling operations](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02485.jpg?itok=umjstCy0)
Image
Download ( 2.45 MB )Permalink
https://www.noaa.gov/media/digital-library-photo/pl23cgs02485jpg-0Description
Lieutenant Ray Jackson operating level instrument during tidal benchmark leveling operations. (Image credit: Collection of NOAA Center for Operational Oceanographic Products and Services)
Credit
Collection of NOAA Center for Operational Oceanographic Products and Services
Collection
Historic Coast & Geodetic Survey
Keywords
Coast and Geodetic Survey