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| LEADER | 01893ces a2200481 a 4500 | |
| 001 | 9943699553602122 | |
| 005 | 20130225091824.0 | |
| 006 | sar f0 0 | |
| 008 | 990302c19uu9999vau c f 0 eng d | |
| 010 | $a 99028499 | |
| 034 | 1_ | $aa$b250000$dW0780000$eW0750000$fN0390000$gN0370000 |
| 035 | $9AYD7014UW | |
| 035 | $a(OCoLC)ocm40887579 | |
| 035 | $a(OCoLC)40887579 | |
| 035 | $a(WU)4369955-uwmadisondb | |
| 035 | $a(EXLNZ-01UWI_NETWORK)999858021202121 | |
| 037 | $bUSGS Books and Open-File Reports Section, Denver, CO 80225 | |
| 040 | $aGPO$beng$cGPO$dDLC$dMvI$dMGPO | |
| 042 | $alcd | |
| 043 | $an-us-va | |
| 052 | $a3881 | |
| 074 | $a624-H (MF) | |
| 086 | 0_ | $aI 19.76: |
| 110 | 2_ | $aGeological Survey (U.S.). |
| 245 | 10 | $aPotentiometric surface of the middle Potomac Aquifer in Virginia /$cU.S. Department of the Interior, U.S. Geological Survey ; prepared in cooperation with Virginia Department of Environmental Quality ... [and others]. |
| 255 | $aScale 1:250,000$c(W 78p0s--W 75p0s/N 39p0s--N 37p0s). | |
| 260 | $aRichmond, Va. :$bThe Survey ;$aDenver, Colo. :$bBooks and Open-File Reports [Section, distributor]. | |
| 300 | $amaps ;$c22 x 17 cm. | |
| 310 | $aAnnual | |
| 336 | $acartographic image$bcri$2rdacontent | |
| 337 | $amicroform$bh$2rdamedia | |
| 338 | $amicroform $2local | |
| 490 | 1_ | $aOpen-file report |
| 500 | $aPotentiometric contours. | |
| 500 | $a"Base from USGS Digital line graph, 250,000." | |
| 500 | $aCoordinates for map based on: 1993. | |
| 500 | $aDescription based on: 1993. | |
| 533 | $aMicrofiche.$m<1993->$b[Denver, Colo. :$cU.S. Geological Survey].$emicrofiches : negative. | |
| 650 | _0 | $aGroundwater$zVirginia$vMaps. |
| 650 | _0 | $aAquifers$zVirginia$vMaps. |
| 650 | _0 | $aWater table$zVirginia$vMaps. |
| 710 | 1_ | $aVirginia.$bDepartment of Environmental Quality. |
| 830 | _0 | $aU.S. Geological Survey open-file report |
| 997 | $aMARCIVE | |