TEA: Graham- -- 4.20.2002

20 April, 2002

Weather

Cloudy, Snow (all day), High 32, Low 22

Two Fairbanks teachers joined us today for our

Saturday rounds at Poker Flat. By the time we arrived

at MST, the snow started to pour. The heavy downpour

was remarkable even though, I want the snow to melt in

order to observe the drastic changes of ice.

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1. Exposed beaver lodge on 33.5-mile pond

2. Beaver marks

3. Closer view of beaver trap opening

4. 33.5-Mile pond

5. Data collection procedures: (Step 1. Snow depth)

6. (Step 2. Snow temperatures)

7. (Step 3. Snow samples for density)

8. (Step 4: Hotwire gauge for ice thickness)

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