The present work develops a part of the experimental works that we are carrying out in the supraforestal level of the eastern Pyrenees. The work has been accomplished on an erosive level near the crest. in a limited zone of 340m2 at 2. 170 m. https://www.roneverhart.com/Dean-Guitars-Michael-Amott-Tyrant-X-Splatter-Electric-Guitar-p19869/