https://www.structuralwiki.org/structural-wiki-en/api.php?action=feedcontributions&feedformat=atom&user=ChielOuvar 2026-08-13T15:02:46Z User contributions MediaWiki 1.39.10 https://www.structuralwiki.org/structural-wiki-en/index.php?title=Back-sight&diff=8146 2007-12-31T12:12:41Z

<p>ChielOuvar: getracc</p> <hr /> <div>claboccvir<br /> A level observation, or sighting back, to a turning point or bench mark of known elevation. A [[transit | transit observation]] on a previously located point in the rear. A fixed object in the rear which is sighted upon from time to time to check the orientation of the transit.<br /> <br /> [[Category:Glossary]]<br /> [[Category:Surveying]]</div>

ChielOuvar