lab 7 report

# lab 7 report - Erin Marek CE 301 Lab 7 Differential...

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Erin Marek 10/31/07 CE 301 Lab 7 Differential Leveling Introduction: In this differential leveling experiment, we calculated the height of the foresights and backsights of several different elevations in a loop and determined the elevation for each sight. The objective was to learn how to survey land and to understand why the process is used. Procedures: Each member of the class measured their pace in the basement and calculated their average. The class divided into groups of 3 or 4. Five markers were set around the area of land to be used in the experiment. Each group was to start at any point and measure the distance by pacing between two markers to find the halfway point to set up the dumpy level. Make sure the instrument is level. Have a member of the group take a leveling rod to the marker and hold it upright so that the reader can measure the elevation from it. Use the eyepiece to find the leveling rod and determine the elevation. Record the number

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lab 7 report - Erin Marek CE 301 Lab 7 Differential...

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