Page 58 - Moving the Earth_ The Workbook of Excavation
P. 58

SURVEYS AND MEASUREMENTS

                   2.8   THE WORK






























                                             FIGURE 2.8  Electronic theodolite. (Courtesy of
                                             Carl Zeiss, Inc.)




























                                           FIGURE 2.9A  Automatic level transit. (Courtesy of
                                           David White, LLC.)
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