09- 's Heerenberg, Gelderland, 1999.

This formation was found at almost the same time as the formations of Zeddam and Kilder. The ring had a diameter of approx. 20.00 metres. The 'F' had a lenght of 14 metre.

Update 04-02-2002: Photo added. The quality of the photo is not good because it is a frame of a video tape.