Goplerud C Peter Coal development and use The legal constraints an Goplerud C Peter - Lexington D C Heath 1983 - "xi, 294p, Bibliography P 199-2-9, Appendix p 211-89" cm. ISBN: 0669044032 Standard No.: 91409 Source: Reports Subjects--Topical Terms: Minings Dewey Class. No.: "X9(HZ551):(Z).73.N8, M3"