000138846 000__ 00729mam\a2200229\i\4500 000138846 001__ 138846 000138846 005__ 20210513050119.0 000138846 008__ 800925s1980\\\\nyu\\\\\\s\\\\001\0\eng\d 000138846 020__ $$a0076067025 000138846 035__ $$a(OCoLC)ocm06752466 000138846 035__ $$9AAQ4053SI 000138846 035__ $$a138846 000138846 040__ $$aCRA$$cCRA 000138846 049__ $$aISEA 000138846 090__ $$aTN805.A4$$bU22 1980 000138846 24500 $$aU.S. coal mine production by seam /$$cpublished by Mining Informational Services, Keystone Coal Industry Manual. 000138846 260__ $$aNew York :$$bMcGraw-Hill,$$c1980 000138846 300__ $$a806 p. ;$$c28 cm. 000138846 650_0 $$aCoal mines and mining$$zUnited States$$vStatistics. 000138846 650_0 $$aCoal mines and mining$$zUnited States$$vDirectories. 000138846 7102_ $$aKeystone Coal Industry Manual. 000138846 85200 $$bgen$$hTN805.A4$$iU22$$i1980 000138846 909CO $$ooai:library.usi.edu:138846$$pGLOBAL_SET 000138846 948__ $$ac:mgf 000138846 980__ $$aBIB 000138846 980__ $$aBOOK