pl23_theb1774.jpg
Description
Connecting the line - two level crews meet in Glen Canyon, Colorado River.Level parties of Fred E. Joeckel and Floyd W. Hough
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