Reducing costs for recontouring mined land.
By: J. M. Goris.
Publisher: s.n
Published: 1980
Place of publication: S.l
Notes: Pages 2-21 in Surface Coal Mining Reclamation Equipment and Techniques. Proc. Bur. of Mines Tech. Transfer Sem., Evansville, IN. Bur. of Mines Inf. Circ. 8823.

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