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Natural & Built Environment

American Women's Heritage Society Belmont Mansion Project

John Bartram Association

Center for Architecture

Fort Mifflin on the Delaware

Friends of Van Cortlandt Park

Hay Creek Watershed Association*

The Horticultural Society of New York

Jenkins Arboretum

Partners for Sacred Places

The Pennsylvania Chapter of the American Planning Association

Pennsylvania Resources Council, Inc.

Philadelphia Historic Preservation Corporation (Preservation Alliance)

Philadelphia Society for the Preservation of Landmarks

Preservation Alliance*

Schuylkill River Greenway Association

Society of Environmental Journalists

Springfield Township Black Horse Inn Project

*Consultancy through the Nonprofit Center School of Business at LaSalle University