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- 1856, Township of Blackwood, County of Bourke Surveyor General’s Office. Shows the township and the location of the Tipperary Flat Diggings.
- 1931, Gorong and portions of Blackwood and Myrniong, Geological Survey of Victoria. Shows dykes, acid, basic, granite, anticlines, synclines, dips and strikes, bores, native ovens, contours, heights above sea level, recent, pliocene, miocene, newer volcanic, older volcanic, glacial, ordovician, metamorphosed ordovician, and granodiorite.
- 1937, Dept of Mines. Blackwood, County of Bourke, topographically and geographically surveyed by H. Foster, 1923. Shows alluvial gold workings, surface workings, nuggets, quartz reefs, auriferous quartz reefs, shafts, adits, fossils, springs, dams, grit beds, contours, heights above sea level, anticlines, synclines, dips and strikes, pitch, dykes, recent, pliocene, miocene, newer volcanic, older volcanic, glacial, and ordovician.