Plan shewing the distribution of the plumbago & phosphate of Lime Rocks : and the position of the most important mining locations in the townships of Buckingham, Portland and Templeton / by Henry G. Vennor F.G.S.
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- 10-11-03-02
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Engineering, Mining Mines and mining Mining Deposits, Mineral Mineral deposits Mines and mining Mineral resources Mining Mining industry and finance Metal industries Extractive industries Extractive industry Mines and mining Mining industry Mining Quicklime Calcium oxide Hydrated lime Calcia Hydraulic lime Plumbago Black-leadCiter ce document
Henry Vennor, « Plan shewing the distribution of the plumbago & phosphate of Lime Rocks : and the position of the most important mining locations in the townships of Buckingham, Portland and Templeton / by Henry G. Vennor F.G.S. », 1886, collections patrimoniales de l'Université Bordeaux Montaigne, ID : 10670/1.zzmyuf
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[1:88 000 env.] (W 7554' - W 7510' / N 4548' - N 4522'30''). Echelle calculée par comparaison avec une carte d échelle connue