Ground water: a threatened resource
- Nairobi: UNEP, 1996
- 36 p. ilustraciones.
04682
The hydrogeological cycle. Water in aquifers. How groundwater flows. Early uses of groundwater. Where groundwater is used. The advantages of groundwater. Groundwater quality. Inadequate control. The pollution of groundwater. Protecting groundwater resources. Assessing groundwater resources.
Agua
Contaminación del Agua
333.91 / U566
04682
The hydrogeological cycle. Water in aquifers. How groundwater flows. Early uses of groundwater. Where groundwater is used. The advantages of groundwater. Groundwater quality. Inadequate control. The pollution of groundwater. Protecting groundwater resources. Assessing groundwater resources.
Agua
Contaminación del Agua
333.91 / U566
