000118435 000__ 00989cam\a2200289W1\4500 000118435 001__ 118435 000118435 005__ 20210513042359.0 000118435 008__ 750507s1975\\\\dcu\\\\\\\\\\\00010\eng\u 000118435 020__ $$c 30.35 000118435 035__ $$a(OCoLC)ocm01317532 000118435 035__ $$a00345978 000118435 035__ $$9AAN1810SI 000118435 035__ $$a118435 000118435 040__ $$aUDI$$cUDI$$dm.c.$$dISE 000118435 049__ $$aISEA 000118435 090__ $$aTN295$$b.U58 no.1009 000118435 099__ $$aTN295 .U58 no.1009 000118435 1001_ $$aSeals, E. D. 000118435 24510 $$aAnalysis of accidents related to falls of ground in metal and nonmetal mines, 1972-73 /$$cBy E. D. Seals and R. A. Speirer. 000118435 260__ $$a[Washington] :$$bMining Enforcement and Safety Administration,$$c[1975] 000118435 300__ $$a7 p. ;$$c27 cm. 000118435 4900_ $$aInformational report ; 1009 000118435 650_0 $$aMine subsidences. 000118435 650_0 $$aMine safety. 000118435 7001_ $$aSpeirer, Robert A.,$$ejoint author. 000118435 7101_ $$aUnited States.$$bMining Enforcement and Safety Administration. 000118435 85200 $$bgen$$hTN295 .U58 no.1009 000118435 909CO $$ooai:library.usi.edu:118435$$pGLOBAL_SET 000118435 966__ $$c 1$$lUSIGEN$$mBKGEN$$sTN295 .U58 no.1009$$xISEA$$z090$$b39203009699633 000118435 980__ $$aBIB 000118435 980__ $$aBOOK