000010355 000__ 00952cam\a2200253Ii\4500
000010355 001__ 10355
000010355 005__ 20210512012010.0
000010355 008__ 780125s1977\\\\dcu\\\\\\b\\\f000\0\eng\d
000010355 035__ $$a(OCoLC)ocm03579903
000010355 040__ $$aGPO$$cGPO$$dISE
000010355 049__ $$aISEA
000010355 074__ $$a637-A
000010355 0860_ $$aI 28.27:8761
000010355 090__ $$aTN23$$b.U71 no.8761
000010355 1001_ $$aBertoldi, Michael J.
000010355 24510 $$aPreliminary economics of mining a thick coal seam by dragline, shovel-truck, and scraper mining systems /$$cby Michael J. Bertoldi.
000010355 260__ $$a[Washington] :$$bDept. of the Interior,$$c1977.
000010355 300__ $$a[3], 27 p. :$$bill. ;$$c27 cm.
000010355 4901_ $$aBureau of Mines Information Circular ;$$v8761
000010355 650_0 $$aStrip mining$$xEconomic aspects$$zUnited States.
000010355 650_0 $$aCoal mines and mining$$xEconomic aspects$$zUnited States.
000010355 650_0 $$aCoal-mining machinery.
000010355 7101_ $$aUnited States.$$bBureau of Mines.
000010355 830_0 $$aInformation circular (United States. Bureau of Mines) ;$$v8761.
000010355 85200 $$bgen$$hTN23$$i.U71$$ino.8761
000010355 909CO $$ooai:library.usi.edu:10355$$pGLOBAL_SET
000010355 980__ $$aBIB
000010355 980__ $$aBOOK