Monument : (n.) Geophysics. A relatively permanent, fixed marker used in surveying, such as a concrete block or steel plate, with an inscription of location and elevation. Syn: benchmark. See: Survey
Schlumberger Ltd. (The World's Leading Supplier Of Technology, Integrated Project Management And Information Solutions to Customers Working in The Oil and Gas Industry Worldwide), Schlumberger Oilfield Glossary Cedex, France 2014. http://www.glossary.oilfield.slb.com/en/Terms/sym/ a.aspx, (Ergo - Brit) {766}