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000198861 001__ 198861
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000198861 008__ 931112r19931992mdu\\\\\\\a\\f\\0\\\eng\d
000198861 0341_ $$aa$$b250000$$dW0770000$$eW0760000$$fN0390000$$gN0380000
000198861 035__ $$a(OCoLC)ocm29305895
000198861 035__ $$9AAW8760SI
000198861 035__ $$a198861
000198861 040__ $$aGPO$$cGPO$$dSPI
000198861 049__ $$aISEA
000198861 052__ $$a3841
000198861 074__ $$a0624-H (MF)
000198861 0860_ $$aI 19.76:92-463
000198861 1102_ $$aGeological Survey (U.S.)
000198861 24514 $$aThe difference between the potentiometric surfaces of the Aquia Aquifer of September 1982 and September 1990 in southern Maryland$$h[microform] /$$cDepartment of the Interior, U.S. Geological Survey ; by Frederick K. Mack ... [et al.] ; prepared in cooperation with Maryland Geological Survey and Maryland Tidewater Administration.
000198861 255__ $$aScale 1:250,000$$c(W 77°--W 76°/N 39°--N 38°).
000198861 260__ $$aTowson, Md. :$$bThe Survey ;$$aDenver, Colo. :$$bBooks and Open-File Reports Section, distributor,$$c1992]
000198861 300__ $$a1 map ;$$c22 x 17 cm.
000198861 4901_ $$aOpen file report ;$$v92-463
000198861 500__ $$aDistributed to depository libraries in microfiche.
000198861 500__ $$aShipping list no.: 93-1121-M.
000198861 533__ $$aMicrofiche.$$b[Denver, Colo. :$$cU.S. Geological Survey,$$d1993]$$e1 microfiche : negative.
000198861 650_0 $$aGroundwater$$zMaryland$$vMaps.
000198861 650_0 $$aAquifers$$zMaryland$$vMaps.
000198861 7001_ $$aMack, Frederick K.
000198861 7102_ $$aMaryland Geological Survey.
000198861 7101_ $$aMaryland.$$bTidewater Administration.
000198861 830_0 $$aU.S. Geological Survey open-file report ;$$v92-463.
000198861 85230 $$bdfich$$hI 19.76:$$i92-463
000198861 909CO $$ooai:library.usi.edu:198861$$pGLOBAL_SET
000198861 948__ $$ac:rk
000198861 980__ $$aBIB
000198861 980__ $$aGOV RESOURCE