pl23_theb1775.jpg
Description
The boat - means of transportation in Glen Canyon, Colorado River.Level party of Fred E. Joeckel
Credit
C&GS; Season's Report Joekel 1921
Display Date
1921
Location
Glen Canyon, Arizona
Category
Historic Coast & Geodetic Survey
Geodesy
Determining the Elevations - Leveling a Continent
Keywords
Geodesy
Leveling