pl23_theb1734.jpg
![Topo work in Black Bay area theb1734.jpg Topo work in Black Bay area](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1734.jpg)
Description
Topo work in Black Bay area.Party off of WESTDAHL
Credit
Family of Captain Robert A. Earle, C&GS;
Display Date
1930
Location
Alaska, Black Bay, Southeast Alaska
Collection
Historic Coast & Geodetic Survey
Geodesy
Topography-Mapping the Shoreline
Plane Table Mapping
Keywords
Topography
Plane Table