A tractor efficiency map: applied energetics for a coalfield ownership.
By: R. H. Giles Jr. and J. W. Ziewitz.
Contributors: Ziewitz, J. W.
Publisher: s.n
Published: 1985
Place of publication: S.l
Notes: Pages 261-268 in D. H. Graves (ed). Symp. on Surface Mining, Hydrology, Sedimentology and Reclamation. Univ. KY, Lexington. 439pp.

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