The point “Ramkau” was measured in 1824 under the supervision of F.G.V.Struve. From the point “Ramkau” observations were carried out to 4 points – Kārtene, Palsmane, Nesaule Hill and Elka Hill. Since 2017, the Struve geodetic arc point “Ramkau” has been included in the list of State protected cultural monuments as an industrial monument of national significance.
