BRILLIANT IDEAS
Mining by hand
- Sandy Randell: notes of interview (2000) on display at the Walk In Mine
Impacts of new mining technologies
- John Molyneux: letter to the Editor, Lightning Ridge Flash 20 November 1986, reproduced in “A journey with colour: A history of Lightning Ridge opal 1873-2003” by Len Cram (2004) p299
PROSPECTING
Trying their luck
- Ion Idriess “Lightning Ridge: The land of black opals” (1940) p78
Surface features
- Sandy Randell: notes of interview (2000) on display at the Walk In Mine
Calweld drill for prospecting
- John McCabe: “Opal Mining at Lightning Ridge” (1979) p38-39
- Gary Stone: notes of interviews (2013) by Rob Renew, Mari & Eric Metzke
Auger drills
- Wolfgang Johansson: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
SHAFT SINKING
Shaft sinking by hand
- Sandy Randell: transcript of interview (2000) on display at the Walk In Mine
- Nils Tape: notes of interview (1988) in “A journey with colour: A history of Lightning Ridge opal 1873-2003” by Len Cram (2004) p232
Calweld drill rigs
- Stewart Tranter-Brown: notes of interview (2013) by Rob Renew
- Len Cram: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
- Bobby Allen: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
- Stewart Tranter-Brown: notes of interview (2013) by Rob Renew
DIGGING
Gouging
- Ion Idriess “Lightning Ridge: The land of black opals” (1940) p85
- John McCabe: “Opal Mining at Lightning Ridge” (1979) p29
Power tools and lighting
- David Randell: notes of telephone interview (2013) by Rob Renew
Diggers
- Gary Stone: notes of interview (1988) by Len Cram in “A journey with colour: A history of Lightning Ridge Opal 1873-2003” (2004) p219
- Knud Nexo: notes of interview (2003) by Len Cram in “A journey with colour: A history of Lightning Ridge opal 1873-2003” (2004) p225
- Wolfgang Johansson: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
Pillars and props
- John McCabe: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
HOISTING
Windlass
- John McCabe: “Opal Mining at Lightning Ridge” (1979) p29
Dump hoist
- Len Cram: “A Journey with colour: A history of Lightning Ridge Opal 1873-2003” (2004) p214
Autohoists
Knud Nexo: notes of interview (2003) by Len Cram in “A journey with colour: A history of Lightning Ridge opal 1873-2003” (2004) p225
- Gary Stone: notes of interviews (2013) by Rob Renew, Mari & Eric Metzke
- Special purpose autohoists
- Susan Douglas: “The Big Hoist” (2001) display at the Walk in Mine
BLOWERS
Blowers
- John McCabe: “Opal Mining at Lightning Ridge” (1979) p34
- Knud Nexo: notes of interview (2003) by Len Cram in “A journey with colour: A history of Lightning Ridge opal 1873-2003” (2004) p225
Improvements to blowers
- Gary Stone: notes of interviews (2013) by Rob Renew, Mari & Eric Metzke
- Lawrie Cree: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
- George Mulder: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
Effectiveness of blowers
- Lawrie Cree: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
- Gary Stone: notes of interviews (2013) by Rob Renew, Mari & Eric Metzke
PROCESSING
Puddlers
- Len Cram: “A Journey with Colour: A history of Lightning Ridge opal 1873-2003” (2004) p187
- Len Cram: “A Journey with Colour: A history of Lightning Ridge opal 1873-2003” (2004) p188
- Graeme Anderson: notes (2013) prepared for Jenni Brammall & Elizabeth Smith
Rumblers
- Len Cram: “A Journey with Colour: A history of Lightning Ridge Opal 1873-2003” (2004) p202
Agitators
- Gary Stone: notes of interview (1988) by Len Cram in “A journey with colour: A history of Lightning Ridge opal 1873-2003” (2004) p218
- Gary Stone: notes of interviews (2013) by Rob Renew, Mari & Eric Metzke
Power screens
- George Mulder: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
MACHINERY MAKERS
DIY mining machinery
- Fritz Thurner: notes of interview (2013) by Rob Renew
- Lawrie Cree: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
- Graeme Anderson: notes (2013) prepared for Jenni Brammall & Elizabeth Smith
Machinery fabrication businesses
- Barbara Wright: notes of interview (2013) by Rob Renew
- Wolfgang Johansson: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
- Len Cram: “A journey with colour: A history of Lightning Ridge opal 1873-2003” (2004) p224
- George Mulder: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
MINING HERITAGE AND TOURISM
First impressions
- Knud Nexo: notes of interview (2003) by Len Cram in “A journey with colour: A history of Lightning Ridge opal 1873-2003” (2004) p224
- Lawrie Cree: notes of interview (2013) by Rob Renew, Mari & Eric Metzke
- Barbara Wright: notes of interview (2013) by Rob Renew
Tourist attractions
- John Parish: letter sent from LRMA to newspapers, 1 December 1970, reproduced in “A journey with colour: A history of Lightning Ridge opal 1873-2003“ by Len Cram (2004) p259
- David Randell: notes of telephone interview (2013) by Rob Renew
- Anonymous: “Opal miners dig up troubles” The Sydney Morning Herald 25 February 2012
- Bob Pelchen: “Ridge heritage must be protected” The Ridge News, 24 August 2006
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