Area to north of fork. From South ... Scanned 2005 for the 75th anniversary exhibition and publication. 1704 Horizontal (normal) ... 9 Jun 1937
Clearing Great Drain; Late Course ... Ζ-9 1704, 1705 Section Ζ 210 Section Ζ 211 Section Ζ 251 ... 9 Jun 1937
Mixed ... H.Α. Thompson ... 1573 1765 ... 1937