pl23_theb1715.jpg
Description
Rodman with stadia rod for distance measurement.Crew off of EXPLORER
Credit
C&GS; Season's Report Heck 1921-44
Display Date
1921
Location
Southeast Alaska
Category
Historic Coast & Geodetic Survey
Geodesy
Topography-Mapping the Shoreline
Plane Table Mapping
Keywords
Topography
Plane Table