pl23_theb1545.jpg
![500 lb theb1545.jpg 500 lb](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1545.jpg)
Description
500 lb. stone being lowered for Brown Valley Base.98th Meridian survey.Jasper Bilby on right
Credit
NOAA, John Hayford Album
Display Date
1903
Location
South Dakota
Collection
Historic Coast & Geodetic Survey
Geodesy
Survey Marks
Keywords
Geodesy
Marks