000032073 000__ 01079cam\a2200325Wi\4500 000032073 001__ 32073 000032073 005__ 20210513005500.0 000032073 008__ 791025s1979\\\\dcua\\\\\b\\\f00010\eng\d 000032073 035__ $$a(OCoLC)ocm05587299 000032073 035__ $$a00035357 000032073 035__ $$9AAD3078SI 000032073 035__ $$a32073 000032073 037__ $$bPittsburgh, Pa. 15213 000032073 040__ $$aGPO$$cGPO$$dm.c.$$dISE 000032073 043__ $$an-us-wv 000032073 049__ $$aISEA$$c1 [107489] 000032073 074__ $$a637-A 000032073 0860_ $$aI 28.23:8365 000032073 090__ $$aTN23$$b.U7 no.8365 000032073 099__ $$aTN23 .U7 no.8365 000032073 1001_ $$aEllenberger, John L. 000032073 24510 $$aSlickenside occurrence in coal mine roof of the Valley Camp no. 3 mine near Wheeling, W. Va. /$$cby John L. Ellenberger. 000032073 260__ $$a[Washington] :$$bDept. of Interior, Bureau of Mines,$$c1979. 000032073 300__ $$a17 p. :$$bill. ;$$c27 cm. 000032073 4900_ $$aReport of investigations - Bureau of Mines ; 8365 000032073 504__ $$aBibliography: p. 17. 000032073 650_0 $$aRock mechanics. 000032073 650_0 $$aGround control (Mining) 000032073 650_0 $$aCoal mines and mining$$zWest Virginia. 000032073 85200 $$bgen$$hTN23 .U7 no.8365 000032073 909CO $$ooai:library.usi.edu:32073$$pGLOBAL_SET 000032073 966__ $$c 1$$lUSIGEN$$mBKGEN$$sTN23 .U7 no.8365$$xISEA$$z090$$b39203008981354 000032073 980__ $$aBIB 000032073 980__ $$aBOOK