pl23_theb1610.jpg
![Hecht did the honors at station west of Mandan theb1610.jpg Hecht did the honors at station west of Mandan](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1610.jpg)
Description
Hecht did the honors at station west of Mandan ....Triangulation party of Wilbur Porter
Credit
NOAA, George E. Marsh Album
Display Date
4-Sep-34
Location
North Dakota
Collection
NOAA People
Keywords
Geodesy
Triangulation
Angles