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I 19. 42/ 4- 4 : 2010- 5174 : Water volume and sediment accumulation in Lake Linganore, Frederick County, Maryland, 2009 [electronic resource] / by Andrew J. Sekellick and William S.L. Banks ; prepared in cooperation with Frederick County, Maryland and the City of Frederick, Maryland.
I 19. 42/ 4- 4 : 2010- 5180 : Regional groundwater-flow model of the Redwall-Muav, Coconino, and alluvial basin aquifer systems of Northern and Central Arizona / D.R. Pool [and four others].