LEADER 01721oam  2200421   450 
001 9910706802603321
005 20180323112149.0
035   $a(CKB)5470000002459447
035   $a(OCoLC)896810578
035   $a(OCoLC)995470000002459447
035   $a(EXLCZ)995470000002459447
100   $a20141123d1978      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aComputer-aided estimates of concentrating-grade iron resources in the Negaunee Iron-formation, Marquette District, Michigan /$fby W.F. Cannon, Sandra L. Powers, and Nancy A. Wright
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1978.
215   $a1 online resource (iii, 21 pages) $cillustrations, map
225 1 $aGeological Survey professional paper ;$v1045
300   $aTitle from title screen (viewed October 6, 2014).
300   $a"An estimation of the magnitude, quality, and economic potential of subeconomic resources of iron in an important active mining district."
320   $aIncludes bibliographical references (page 21).
606   $aIron ores$zMichigan$zMarquette County$xData processing
615  0$aIron ores$xData processing.
700   $aCannon$b William F.$01385819
702   $aPowers$b Sandra L.
702   $aWright$b Nancy A.
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bGPO
906   $aBOOK
912   $a9910706802603321
996   $aComputer-aided estimates of concentrating-grade iron resources in the Negaunee Iron-formation, Marquette District, Michigan$93542855
997   $aUNINA