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River (Site not responding. Last check: ) |
 | | A river may have its source in a spring, lake, from damp, boggy landscapes where the soil is waterlogged, from glacial melt, or from surface runoff of precipitation. |
 | | Rivers have been used by man since the dawn of civilization as a source of water, for food, for transport, as defences, as a source of power to drive machinery, and as a means of disposing of waste. |
 | | Lena River – the principal river of northeastern Siberia |
| www.tocatch.info /en/River.htm (2676 words) |
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