pl23_theb1827.jpg
Description
Leveling - scene of Colorado River crossing near Overton.Level party of Emmett Sheridan
Credit
C&GS; Season's Report Sheridan 1941
Display Date
1941
Location
Upper Lake Meade, Nevada
Category
Historic Coast & Geodetic Survey
Geodesy
Determining the Elevations - Leveling a Continent
Keywords
Geodesy
Leveling