LEADER 01730nem  2200493   450 
001 9910713315703321
005 20200410100306.0
035   $a(CKB)5470000002500490
035   $a(OCoLC)1149924064
035   $a(EXLCZ)995470000002500490
100   $a20200410d1987      da              
101 0 $aeng
120   $aa||||||||||||
121   $a|||||||||
124   $bd
135   $aur|||||||||||
181   $ccri$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aMedian-porosity contour maps of the J Sandstone, Dakota Group, in the Denver Basin, Colorado, Nebraska, and Wyoming /$fby Debra K. Higley and Donald L. Gautier
210  1$aReston, Virginia :$cDepartment of the Interior, United States Geological Survey,$d1987.
215   $a1 online resource (2 maps)
225 1 $aMiscellaneous field studies ;$vmap MF-1982
300   $aRelief shown by contours and spot heights.
320   $aIncludes text, bibliographical references, 1 cross section, and 3 diagrams.
606   $aSandstone$zDenver Basin$vMaps
606   $aSandstone$xPermeability$vMaps
606   $aPorosity$vMaps
606   $aSedimentary rocks$zDenver Basin$vMaps
607   $aDakota Formation$vMaps
607   $aDenver Basin$vMaps
608   $aMaps.$2lcgft
615  0$aSandstone
615  0$aSandstone$xPermeability
615  0$aPorosity
615  0$aSedimentary rocks
702   $aHigley$b Debra K.
702   $aGautier$b Donald L.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910713315703321
996   $aMedian-porosity contour maps of the J Sandstone, Dakota Group, in the Denver Basin, Colorado, Nebraska, and Wyoming$93349548
997   $aUNINA