| Place Key | 31 ft. in drill hole (BH 58/70), quarter of a mile east of Muirtown Farm, 10 yds. South of wood, 62 yds. from east margin of field, NJ 7861.2655, Overburden 9 ft. of boulder clay, Bourtie (NJ 72 NE), Aberdeenshire, Scotland, Grampian/Gordon |