Creator: P.R.D. Williams-Hunt
Area: Eastern Siam
A small pamphlet containing the article, "Irregular Earthworks in Eastern Siam: an air survey", published in 'Antiquity', Vol.24,Issue 93, March 1950, with a map of Eastern Siam and aerial photographs taken by the Royal Air Force and United Armies Air Force. The survey was carried out immediately after the World War II. The pamphlet is in poor condition.