000090230 000__ 00860cam\a2200253Ia\4500 000090230 001__ 90230 000090230 005__ 20210513033344.0 000090230 008__ 840221s1983\\\\iluab\\\\b\\\s00010\eng\d 000090230 035__ $$a(OCoLC)ocm10439200 000090230 035__ $$a90230 000090230 040__ $$aSPI$$cSPI$$dISE 000090230 043__ $$an-us-il 000090230 049__ $$aISEA 000090230 090__ $$aQE105$$b.A45 no.530 000090230 1001_ $$aNelson, W. John. 000090230 24510 $$aGeologic disturbances in Illinois coal seams /$$cW. John Nelson. 000090230 260__ $$aChampaign, Ill. :$$bIllinois State Geological Survey,$$c1983. 000090230 300__ $$a47 p. :$$bill., maps ;$$c28 cm. 000090230 4901_ $$aCircular (Illinois State Geological Survey) ;$$v530 000090230 504__ $$aBibliography: p. 46-47. 000090230 650_0 $$aCoal$$xGeology$$zIllinois. 000090230 650_0 $$aCoal mines and mining$$zIllinois$$xSafety measures. 000090230 7102_ $$aIllinois State Geological Survey. 000090230 830_0 $$aCircular (Illinois State Geological Survey) ;$$v530. 000090230 85200 $$bgen$$hQE105$$i.A45$$ino.530 000090230 909CO $$ooai:library.usi.edu:90230$$pGLOBAL_SET 000090230 980__ $$aBIB 000090230 980__ $$aBOOK