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035   $a(EXLCZ)995470000002524887
100   $a20210826d2021      ua             0
101 0 $aeng
135   $aurcn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aSurface-mining modeling for USGS coal assessments /$fby Paul E. Pierce
210  1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2021.
215   $a1 online resource (iv, 13 pages) $ccolor illustrations
225 1 $aOpen-file report ;$v2021-1059
320   $aIncludes bibliographical references (page 12).
606   $aCoal mines and mining
606   $aStrip mining$xMathematical models
615  0$aCoal mines and mining.
615  0$aStrip mining$xMathematical models.
700   $aPierce$b Paul E.$01412227
712 02$aGeological Survey (U.S.),
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910716729103321
996   $aSurface-mining modeling for USGS coal assessments$93505177
997   $aUNINA