George Durno Cowie / U.S. Coast and Geodetic Survey / Engelhardt August Eckhardt

UIUC:30112046985278

Longitude

U.S. Coast and Geodetic Survey / Henry Godfrey Avers / George Durno Cowie

PSU:000071905556

Leveling

George Buchanan

BL:A0022401095

George Joseph Bell

KBNL:UBU000016426

U.S. Coast and Geodetic Survey

MINN:31951002386006M

Pilot guides

George Philip & Son

054008882X / 9780540088829

Travel

E. A. Eckhardt / George D. Cowie

OCLC:459292894

George Durno Cowie / U.S. Coast and Geodetic Survey / Engelhardt August Eckhardt

UIUC:30112046985278

Longitude

U.S. Coast and Geodetic Survey / Henry Godfrey Avers / George Durno Cowie

PSU:000071905556

Leveling

Daniel Lyman Hazard / Ernest Lester Jones / Fremont Morse / Henry Godfrey Avers / Oscar Sherman Adams / U.S. Coast and Geodetic Survey / George Durno Cowie / Leo O. Colbert / Owen Bert French / John A. Daniels

LCCN:15026061

Charts, diagrams, etc

U.S. Coast and Geodetic Survey

MINN:31951002186378Z

Pilot guides

Daniel Lyman Hazard / George Carl Mattison / George Durno Cowie / James William McGuire / Nicholas Hunter Heck / Walter Davis Lambert / Walter Draper Sutcliffe / William Bowie / Engelhardt August Eckhardt / Henry Godfrey Avers / Jerry Hall Service / Morris Keiser

LCCN:24027307

Aerial photography

Daniel Lyman Hazard / George Carl Mattison / George Durno Cowie / James William McGuire / Nicholas Hunter Heck / Walter Davis Lambert / Walter Draper Sutcliffe / William Bowie / Engelhardt August Eckhardt / Henry Godfrey Avers / Jerry Hall Service / Morris Keiser

LCCN:24027307

Aerial photography

U.S. Coast and Geodetic Survey

OCLC:977275112

Leveling

U.S. Coast and Geodetic Survey

MINN:31951002386006M

Pilot guides