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Geography Categories
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| Definition Of: |
TRACER
(1) A material introduced into surface or underground water where it disappears or into soil to determine drainage interconnections and travel time. (2) A material introduced into cave air to determine cave interconnections.
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Geography INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 2 3 4 5 6 A: Page 1 of 6.
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