When a natural support is not available you can attach your plaques to this 1,80m galvanized "U" shaped beam. Pre drilled holes to match most witness plaques. Also available: bolts and screws.
Finally a witness post that is made to be fixed directly on the marker. It's unique design makes the installation fast and simple. Your name, address, email, phone or web site can be printed on the post. It's like leaving your business card on the field. A large arrow showing the marker will ease the back sign. Available in 23cm and 39cm. Colors can be matched to your survey markers.
Also make a level marker with your witness post. Easily installed with nails.