Rediscovering prehistoric earthworks in Ohio, USA: it all starts in the archives.

von Burks, Jarrod
Veröffentlicht in Landscapes through the lens : Aerial photographs and historic environment.
Oxford/Oakville : Oxbow Books, 2010.
Umfang/Format: 77-87 : Abb.

On the interpretation of geophysical data and the suggested presence of a western moat at Gråborg on Öland.

von Viberg, Andreas
Veröffentlicht in Fornvännen, 112 (2017)
[Stockholm : Kungl. Vitterhets historie och antikvitets akademien], 2017.
Umfang/Format: 1-9, fasc. 112,1.