Four page document, an extract from the Geological Report on the Bendigo Goldfield. On front page, a line drawing of a puddling machine. Contents include: alluvial mining, reef mining, the boom years, deep sinking, decline of mining, modern exploration, physiography, the hills, the valleys and the soils. A table demonstrates the development of graptolite structures, including the Lancefieldian, Bendigonian, Chewtonian and Castlemainian graptolite species. Two diagrams demonstrate saddle and bedded reefs and fault reefs. Written on top of the document: C.E. William and H.E. Wilkinson, 1992. Geological Survey Report No. 93.bendigo, mining, geological bulletin 93