Elementary SurveyingThree men trek to the remote African interior in search of a lost friend, and reach an unknown land cut off from the world, where terrible dangers threaten anyone who ventures near the spectacular diamond mines of King Solomon. |
Contents
28 | 5 |
THEORY OF MEASUREMENTS | 16 |
PARTI HANDWRITTEN FIELD NOTES | 47 |
Copyright | |
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Common terms and phrases
accuracy adjustment angle measurements approximately Asterisks indicate problems axis azimuth backsight bench mark bubble calculated Chapter clamp clockwise clockwise and counterclockwise compass computed contours coordinates correction cross hair deflection angles departures and latitudes determined differential leveling digital theodolites direction distance measurements dumpy level EDM instrument electronic elevation differences equal equipment error example field notes foresight Geodetic graduated Gunter's chain horizontal angles horizontal distance interior angles level vial line of sight locations magnetic bearing magnetic declination measured angles meridian method minus sights misclosure mistakes National Geodetic Survey objective lens observations obtained plane plate plumb bob Polaris position recorded reference line rod readings scale Section setup shown in Figure Similar to Problem slope distance stadia standard surveyors tangent screw tape length tapeperson telescope temperature theodolite topographic total station instruments transit triangle tripod types vernier vertical angles zenith angle