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200 10$aGeologic framework and hydrogeology of the Rio Rico and Nogales 7.5" quadrangles, upper Santa Cruz Basin, Arizona, with three-dimensional hydrogeologic model /$fby William R. Page [and five others]
210  1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2018.
215   $a1 online resource (vi, 34 pages) $ccolor illustrations, color maps
225 1 $aScientific investigations report ;$v2018-5062
320   $aIncludes bibliographical references (pages 33-34).
606   $aGeology$zSanta Cruz River Watershed (Ariz. and Mexico)
606   $aHydrogeology$zSanta Cruz River Watershed (Ariz. and Mexico)
606   $aHydrogeology$zSanta Cruz River Watershed (Ariz. and Mexico)$xMathematical models
615  0$aGeology
615  0$aHydrogeology
615  0$aHydrogeology$xMathematical models.
700   $aPage$b William R.$0247920
712 02$aGeological Survey (U.S.),
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996   $aGeologic framework and hydrogeology of the Rio Rico and Nogales 7.5" quadrangles, upper Santa Cruz Basin, Arizona, with three-dimensional hydrogeologic model$93435007
997   $aUNINA

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200 14$aThe purchase of coal under government and commercial specifications on the basis of its heating value $ewith analyses of coal delivered under government contracts /$fby D.T. Randall
210  1$aWashington, D.C. :$cDepartment of the Interior, United States Geological Survey,$d1908.
210  2$aWashington :$cGovernment Printing Office.
215   $a1 online resource (27, I pages)
225 1 $aBulletin / United States Geological Survey ;$vno. 339
225 1 $aSeries Q, Fuels, 10
300   $aTitle from title screen (viewed June 27, 2014).
320   $aIncludes bibliographical references.
517   $aPurchase of coal under government and commercial specifications on the basis of its heating value 
606   $aCoal$vSpecifications$zUnited States
606   $aCoal$xPurchasing$zUnited States
606   $aCoal$zUnited States$xAnalysis
615  0$aCoal
615  0$aCoal$xPurchasing
615  0$aCoal$xAnalysis.
700   $aRandall$b Dwight T.$01404478
712 02$aGeological Survey (U.S.),
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996   $aThe purchase of coal under government and commercial specifications on the basis of its heating value$93501718
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