Without their assistance (2002-2005), our research would not have been possible.

we thank:

• the owners of properties who enabled investigations on their land
• the resident farmers
• Baron Dieter Freiherr von Wrede, Tüttensee
• the involved municipalities
• the rural district offices
• the forestry offices
• the Bavarian Archaeological State Office,
• the Bavarian State

for organizational and financial support by the communities (in alphabetical order):

• Chieming, www.chieming.de
• Grabenstätt, www.grabenstaett.de
• Vachendorf, www.vachendorf.de

for active support in concerns of local archaeology, history and geography:

• Dr. Christian Soika, Kreisheimatpfleger, rural district of Traunstein
• Heimat-Verein Chieming

for data and nice communication:

• Dr. Bert Raeymaekers (Gendorf)
for the preparation of thin sections, photographs, X-ray diffractometry:
• Peter Späthe, Klaus-Peter Kelber, Franz Schwabenländer, technicians of the Institute of Mineralogy, University of Würzburg, www.uni-wuerzburg.de/mineralogie/

for excellent cooperation in concerns of material sciences:

• Degussa-SKW Trostberg AG

for rock melt experiments:

• Johannes Kübler, Bergen

for aerial views:

• Josef Langbauer, Grabenstätt und Elmar Reitmeier, Marwang/Grabenstätt

for fine assistance with our measurements, mapping, and diving activities (Lake Tüttensee, Lake Chiemsee, and other crater lakes):

• Franz Göth mit seinem Team, Wasserwacht Chieming, www.wasserwacht-chieming.de

and

• Robert Wehweck, Rettungstaucher Wasserwacht Bergen, with his team www.wasserwacht-bergen.de

for the placing of a turntable ladder supporting infrared photography of craters:

• Historischer Feuerwehr-Verein „Sondermoning"

for support with rock sampling in the field:

• Members of Astronomie im Chiemgau e.V., R. Bugiel (first chairman, organizer),
• Ch. Schrankl (second chairman), as well as A. Dufter.

www.astronomie-im-chiemgau.de

for the discovery of an important field area:

Erwin Pauliner, accompanied by Stefan Schröder, Traunreut

for regular field trips and providing important finds:

Ernst Neugebauer, Traunreuth

We also thank all other finders, supporters, interested people, and co-helpers having considerably contributed to the scientific outcome.