GROUND REFERENCE LAND-MARK Russian patent published in 2005 - IPC

FIELD: geodesy.

SUBSTANCE: land-mark can be used for creating points of reference land network which has to be geodetic network of special purpose and which is necessary for coordinate provision of state land inventory, land monitoring, organization of the use of land and other procedures for inspecting available land of Russia. Ground reference land-mark has hollow metal rod mounted into hole of ground. Top end of rod is provided with mark having recognition marks, lower end is provided with underground retentive anchor. As a mark the top end of metal rod is used and as anchor the lower end of metal rod is used. Top and lower ends of hollow metal rod are cut vertically along diameter for depth of 0,5-2,0 of diameter to segments which segments are bent at vertical plane for required angle at proper direction. They serve as mark of reference ground network at top end; the lower end has to be underground anchor of reference ground network.

EFFECT: simplified design; simplified manufacturing technique.

8 cl, 2 dwg