pl23_theb1689.jpg
![Electro-chain observations theb1689.jpg Electro-chain observations](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1689.jpg)
Description
Electro-chain observations.Off of PATHFINDER
Credit
Commander Gerald B. Mills, NOAA Corps (ret.)
Display Date
Jun-70
Location
Tuxedni Bay, Cook Inlet, Alaska
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Baseline & Treverse Measurements
Keywords
Geodesy
Triangulation
Baseline
Electronic