000031986 000__ 00941cam\a2200289Ii\4500
000031986 001__ 31986
000031986 005__ 20210513005452.0
000031986 008__ 790824m1979\\\\dcua\\\\\b\\\f00010\eng\d
000031986 035__ $$a(OCoLC)ocm05306055
000031986 035__ $$a31986
000031986 040__ $$aGPO$$cGPO$$dm.c.$$dISE
000031986 049__ $$aISEA
000031986 074__ $$a429-T-4
000031986 0860_ $$aE 1.28:FE-1231-
000031986 090__ $$aTN805.A3$$bV5
000031986 1102_ $$aVirginia Polytechnic Institute and State University.$$bDepartment of Mining and Minerals Engineering.
000031986 24510 $$aDesign optimization in underground coal systems.
000031986 260__ $$a[Washington] :$$bDept. of Energy,$$c1978 i.e. 1979-
000031986 300__ $$av. :$$bill. ;$$c28 cm.
000031986 500__ $$aOn cover: Fossil energy.
000031986 500__ $$aEdited by J. Richard Lucas.
000031986 500__ $$aDec. 1978.
000031986 504__ $$aIncludes bibliographies.
000031986 5050_ $$aInterim report for the period July-September, 1978.
000031986 650_0 $$aCoal mines and mining.
000031986 650_0 $$aMining engineering.
000031986 7001_ $$aLucas, J. Richard.
000031986 85201 $$bgen$$hTN805.A3$$iV5
000031986 86631 $$a1979
000031986 909CO $$ooai:library.usi.edu:31986$$pGLOBAL_SET
000031986 980__ $$aBIB
000031986 980__ $$aBOOK