City of Fort Collins
Fort Collins, Colorado
City of Denver Natural Area Program
Denver, Colorado
Howard Hughes Corporation
Columbia, Maryland
City of Boulder
Boulder, Colorado
Cleveland Metroparks
Cleveland, Ohio
Peace and Plenty Beach Resort
Georgetown, Great Exuma, Bahamas
Omega Institute
Rhinebeck, New York
Wilmington Urban Area Metropolitan Planning Organization
Wilmington, North Carolina
City of Alexandria
Alexandria, Virginia
Confidential
Chester County, Pennsylvania
National Park Service
Hyde Park, New York
Fairmount Park Commission
Philadelphia, Pennsylvania
Philadelphia Parks & Recreation
Philadelphia, Pennsylvania
Louisiana State University
Baton Rouge,, Louisiana
U. S. Army Corps of Engineers, Philadelphia District
Surf City, New Jersey
Delaware Department of Natural Resources and Environmental Control
Dover, Delaware
Pennsylvania Horticultural Society
Philadelphia, Pennsylvania
City of Fort Collins
Larimer County, Colorado
City of Akron
Akron, Ohio
Dixon Water Foundation
Decatur, Texas
National Park Service
Collier County, Florida
Delaware River Waterfront Corporation
Philadelphia, Pennsylvania
The Smithsonian Institution, Office of Planning and Project Management
Front Royal, Virginia
New York City Department of Environmental Protection
Bronx, New York
The Willow School
Gladstone, New Jersey
U. S. Army Corps of Engineers, New York District
Beaches along the Atlantic Ocean and Raritan Bay, New Jersey
Nereid Boat Club
Rutherford, New Jersey
Montgomery County Department of Environmental Protection
Montgomery County, Maryland