Digital Library Search
Description
Using compass declinometer for magnetic observations.Lt. Benjamin H. Rigg observing.Accompanied MacMillan Arctic Expedition. (Image credit: C&GS; Season's Report Rigg 1926-69)
Credit
C&GS; Season's Report Rigg 1926-69
Display Date
1926
Location
Greenland
Collection
Historic Coast & Geodetic Survey
Keywords
Geophysics
Geomagnetism