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Introduction to Surveying Art 1 Surveying
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adjustment altitude azimuth backsight and foresight bench marks boundaries bubble calculated celestial equator celestial sphere chainman clamp closed traverse compass computed contours correction cross-hair cross-section cut or fill declination deflection angles described in Art determined difference in elevation direction dumpy level earthwork employed ephemeris equator error of closure established feet figure foresight distances given grade rod graduated Greenwich ground hence horizontal angles horizontal axis hour angle instrument latitudes and departures length level tube line of sight linear longitude magnetic bearings mean method notes observed offset parallel plane planimeter plate plotted plumb-bob Polaris position precision profile levels protractor refraction right ascension rod reading rotated scale side slope stake solar star surveyor surveys taken tangent screw tape telescope tion tracing point transit is set transit lines transit stations triangle turning points upper usually values vernal equinox vernier vertical angles vertical axis vertical circle volume