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Geophysics, tillage and the ghost ridges of County Galway, c. 1700–1850

Intuition, experience and observation are among the ingredients in a successful field investigation. At the outset of a big development project, the field archaeologist uses all three in trying to predict what might be found on the development site. The sources of evidence include historic maps, aerial photographs, museum records, published local histor ies and anecdotal infor mation f…