Groundwater /
Reminds us that approximately three-quarters of Earth's surface is covered by water but most fresh water comes from underground. Topics include aquifers, rock porosity and permeability, artesian wells, the water table, cave formation, sinkholes, and how groundwater may become contaminated.
Saved in:
| Online Access: |
Full text (MCPHS users only) |
|---|---|
| Corporate Authors: | , |
| Other Authors: | , |
| Format: | Electronic Video |
| Language: | English |
| Published: |
South Burlington, Vt. :
Annenberg/CPB,
1992
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| Series: | Earth revealed ;
21. |
| Subjects: |
