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

Xehetasun bibliografikoak
Egile nagusia:	Pregracke, Chad, 1974-
Beste egile batzuk:	Barrow, Jeff 1956-
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Washington, DC National Geographic c2007.
Gaiak:	Water > Pollution > United States. Water quality management > United States. Nonprofit organizations > United States.