Map in three sections showing sections across Bendigo Gold Field, showing anticlines, synclines, faults, stratigraphical zones and mines along the reef lines. Key shows rock types Castlemaine, Bendigo B1, B2, B3 and B4, and Lancefieldian. First part of map shows sections A-A, B-B and C-C. Reef lines drawn with mines listed: Fault line shown are the Carshalton, Stafford, New Chum, Virginia and Clarence. A datum line shows 600 ft above sea level. On bottom of plan: ' Prepared in the Geological Survey Office, Bendigo, under the direction of H. Herman, late Director of Geological Survey, from surveys by H.S. Whitelaw, Field Geologist, assisted by E.S. Usher, A.J.J. Moore and R.A. Keble.' Second section of map shows sections D-D, and E-E. Fault lines listed are the Tambour Major fault, Carshalton fault, Stafford fault, Nell Gwynne fault, New Chum fault, Deborah fault. Third section shows sections F-F and G-G. Fault lines listed are the Bird Reef fault, Kangaroo Gully fault, Langdon fault, Carshalton fault, Nell Gwynne fault, Spring Gully fault, Hustlers fault, Gravel Hill fault, Ordes fault, Thanet fault. This map forms part of the Geological Survey of Victoria, Structure of Bendigo Goldfield report, No. 47, 1923. H.Herman, late Director of Geological Survey.Geological Survey of Victoriabendigo, gold mining, reef line maps