Headframe (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Headframe" in English language version.

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cbc.ca

De la Vergne, Jack (2003). Hard Rock Miner's Handbook. Tempe: McIntosh Engineering. pp. 143–147. ISBN 0-9687006-1-6. Archived from the original on 2017-05-04. Retrieved 2008-11-14.

van Wyngaardt, Megan. "New Gold Fields steel headgear tallest in the world". Mining Weekly. Retrieved 2018-06-09.

De la Vergne, Jack (2003). Hard Rock Miner's Handbook. Tempe: McIntosh Engineering. pp. 143–147. ISBN 0-9687006-1-6. Archived from the original on 2017-05-04. Retrieved 2008-11-14.
"A Pictorial Walk Through the 20th Century". Archived from the original on 2014-09-06. Retrieved 2008-10-28.
"Yellowknife vote saves Robertson Headframe for now - North - CBC News". Archived from the original on 2013-09-21. Retrieved 2013-11-06.
"Yellowknife seeks ideas, proposals to preserve mine landmark - North - CBC News". Archived from the original on 2013-09-21. Retrieved 2013-11-06.