Position of the TM-3-12 railway transporter

There are at least two Soviet equipped positions for the TM-3-12 railway transporter, armed with a 305 mm gun of the Russian Obukhov plant on the Hanko peninsula. One of it is located in the Itäpuisto area (N59.8332°,E23.0149°), the second is somewhere on the territory of the polygon in a closed area (it was not possible to get there). The positions were built in 1940-41 by Soviet artilleryman.