Physical description
Map, Hustler's Line of Reefs, Comet Mine, Plan, Plate No. XX111 (23).Lightning Hill Anticline at Surface, United Hustler's & Redan Co., Hustler's Reef Co..Bulletin No 33 Signed H.A.Whitelaw Underground survey Office Bendigo September 1913
Inscriptions & markings
Underground Survey Office, Bendigo.