Soil
Discusses the formation and the role of different types of soils and how they have been endangered through unwise farming, mining, and grazing. This book discusses the formation and the role of different types of soils and how they have been endangered through unwise farming, mining, and grazing. The coauthor is Mary M. Rodgers.
Soil degradationAgricultureSoil conservationSoilsSoils, juvenile literatureSoil conservation, juvenile literatureAgriculture, juvenile literatureJuvenile literature