From the bottom up one man's crusade to clean America's rivers

From the bottom up one man's crusade to clean America's rivers

Manylion Llyfryddiaeth
Prif Awdur: Pregracke, Chad, 1974-
Awduron Eraill: Barrow, Jeff 1956-
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington, DC National Geographic c2007.
Pynciau:
Water > Pollution > United States.
Water quality management > United States.
Nonprofit organizations > United States.