000219610 000__ 01876ces\a2200469\a\45e0
000219610 001__ 219610
000219610 005__ 20220217104143.0
000219610 006__ sgr\\\\\\\\f0\\\\0
000219610 007__ he\bmb024bbca
000219610 008__ 990802c19uu9999mdu\\\\\\\c\\f\\0\\\eng\d
000219610 010__ $$a   99028497
000219610 0341_ $$aa$$b250000$$dW0770000$$eW0760000$$fN0390000$$gN0380000
000219610 035__ $$a(OCoLC)40888976
000219610 035__ $$a219610
000219610 037__ $$bUSGS Books and Open-File Reports Section, Denver, CO 80225
000219610 040__ $$aGPO$$cGPO$$dISE
000219610 042__ $$alcd
000219610 043__ $$an-us-md
000219610 049__ $$aISEA
000219610 052__ $$a3841
000219610 074__ $$a0624-H (MF)
000219610 0860_ $$aI 19.76:
000219610 1102_ $$aGeological Survey (U.S.)
000219610 24510 $$aDifference between the potentiometric surfaces of the Magothy Aquifer of ... and ... in southern Maryland$$h[microform] /$$cU.S. Department of the Interior, U.S. Geological Survey ; prepared in cooperation with Maryland Geological Survey and Maryland Tidewater Administration.
000219610 255__ $$aScale 1:250,000$$c(W 77⁰--W 76⁰/N 39⁰--N 38⁰).
000219610 260__ $$aTowson, Md. :$$bU.S. Geological Survey ;$$aDenver, Colo. :$$bBooks and Open-File Reports [Section, distributor,
000219610 300__ $$amaps ;$$c22 x 17 cm.
000219610 310__ $$aBiennial
000219610 4901_ $$aOpen-file report
000219610 500__ $$aPotentiometric contours.
000219610 500__ $$a"Base from USGS Digital line graph, 250,000."
000219610 500__ $$aCoordinates for map based on: Sept. 1990.
000219610 500__ $$aDescription based on: Sept. 1990.
000219610 533__ $$aMicrofiche.$$m<Sept. 1990->$$b[Denver, Colo. :$$cU.S. Geological Survey].$$emicrofiches : negative.
000219610 650_0 $$aGroundwater$$zMaryland, Southern$$vMaps.
000219610 650_0 $$aAquifers$$zMaryland, Southern$$vMaps.
000219610 651_0 $$aMagothy Aquifer$$vMaps.
000219610 7101_ $$aMaryland.$$bTidewater Administration.
000219610 7102_ $$aMaryland Geological Survey.
000219610 830_0 $$aU.S. Geological Survey open-file report.
000219610 85231 $$bdfich$$hI 19.76:
000219610 909CO $$ooai:library.usi.edu:219610$$pGLOBAL_SET
000219610 936__ $$aSept. 1993 LIC
000219610 980__ $$aBIB
000219610 980__ $$aGOV RESOURCE
000219610 994__ $$aE0$$bISE