Guidelines for modern resource management soil, land, water, air

Guidelines for modern resource management soil, land, water, air

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מידע ביבליוגרפי
מחבר ראשי: Greenland, David
פורמט: ספר
יצא לאור: Columbus Charles E. Merrill c1983.
נושאים:
Conservation of natural resources.
Conservation of natural resources > United States.
Environmental protection.
Environmental protection > United States.