Crossing ravines on stands to keep line horizontal.Pasadena Base measurement.Base line party of Clement L. Garner
3/18/2019 2:18:33 PM
Date: 1922
Credit: C&GS; Season's Report Garner 1922-23
Location: Pasadena, California
Subject: Geodesy
Subject: Triangulation
Subject: Baseline
Subject: Tape