The Dutch Crop Circle Archive (DCCA) is erected by the PTAH Foundation, in cooporation with the DCCCS (Dutch Centre for Crop Circle Studies) and some Dutch crop circle researchers. The data contained within these pages has been meticulously selected from various sources of available information.

Unless otherwise indicated you will find the copyright symbol (©) of the PTAH Foundation on all the literature, illustrations and photographs. Anyone can use this information freely provided that the source has been identified. If you need particulars of the Dutch Crop Circle Archive for publication, please contact the PTAH Foundation for permission.

Furthermore the PTAH Foundation would like to thank all those who in whatever form have contributed to achieving the existence of this archive.

In the name of the PTAH Foundation,

Robert J. Boerman.