OAN field survey, located by GPS to an accuracy of +/- 1m. A quarry or solution hole approximately 30m wide and up to 5m deep at the bottom break of slope of a small channel. It is aligned east-west and is in excess of 50m long curving up the hill. The site may be part of the water course and has several car wrecks and machinery abandoned within it. 2002/10/08/OAN/NW
