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Administrative records 2

Conservation of natural resources--Delaware 2

Correspondence 2

Delaware 2

Delaware--History--20th century 2

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Historians 2

Photographs 2

Water-supply--Delaware--History--20th century 2

Watershed management 2

White Clay Creek Preserve (Del. and Pa.) 2

African Americans--History 1

Agendas (administrative records) 1

Air--Pollution--Delaware 1

Archaeology--Delaware--History--20th century 1

Archival materials--Conservation and restoration 1

Archives--Administration 1

Archivists 1

Articles 1

Audio cassette 1

Brochures 1

Business records 1

Census records 1

Christina River Basin (Del.) 1

Churchmans Marsh (Del.) 1

Clippings (information artifacts) 1

Coastal zone management--Delaware 1

Community Life--Delaware--Newark--History--20th century 1

Consultants 1

Delaware--History--18th century 1

Delaware--History--19th century 1

Delaware--History--Colonial period, ca. 1600-1775 1

Delaware--Politics and government 1

Delaware--Race relations--History--20th century 1

Delaware--Social life and customs 1

Delmarva Peninsula 1

Draftspersons 1

Economic development 1

Educators 1

Environmental impact statements 1

Environmental protection--Delaware 1

Environmentalism--Delaware--History--20th century 1

Historic preservation 1

Historic sites--Law and legislation--Delaware 1

Instructional materials 1

Lamborn Run (Del.) 1

Lecture notes 1

London Britain (Pa. : Township) 1

Manuscripts for publication 1

Mechanical drawings (tool-aided drawings) 1

Methodist Church--Delmarva Peninsula--History 1

Microphotography--History--20th century 1

Minutes (administrative records) 1

New Castle County (Del.) 1

Newsletters 1

Newspapers 1

Oral History--Delaware--20th century 1

Oral histories (document genres) 1

Paper, Handmade--Specimens 1

Papermaking science and technology 1

Papermaking--History 1

Personal correspondence 1

Political participation 1

Political participation--United States--History--20th century 1

Poultry industry--Delmarva Peninsula--History 1

Printed ephemera 1

Publications (documents) 1

Research notes 1

Reservoirs 1

Résumés (personnel records) 1

Serials (publications) 1

Slides (photographs) 1

Slovenian Americans 1

Sussex County (Del.) 1

Thompson Station Road (Del.) 1

Transparencies 1

Transportation--Delaware--History--20th century 1

Travel--History--20th century 1

United States--History--Colonial period, ca. 1600-1775 1

VHS 1

Watermarks 1

Yearbooks 1

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Names

Archaeological Society of Delaware 1

Coalition for Natural Stream Valleys 1

De Valinger, Leon, 1905-2000 1

Delaware Humanities Forum 1

Delaware Nature Society 1

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Delaware. Department of Natural Resources and Environmental Control 1

Delaware. Department of Transportation 1

Dickinson, John, 1732-1808 1

E.I. du Pont de Nemours & Company 1

League of Women Voters of Greater Wilmington, Delaware 1

MacArtor, June D. 1

Miller, Dorothy P. 1

Munroe, John A. (John Andrew), 1914-2006 1

Ryden, George Herbert, 1884-1941 1

Sierra Club. Delaware Chapter 1

United States. Army. Corps of Engineers 1

United States. Environmental Protection Agency 1

United States. Wild and Scenic Rivers Act 1

University of Delaware 1

University of Delaware. Associate in Arts Degree Program 1

Water Resources Agency for New Castle County 1

White Clay Watershed Association 1

Williams, William H. (William Henry), 1936-2007 1

Wilmington Metropolitan Area Planning Coordinating Council 1

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