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frozen
Alaska
2
NEON
2
Northwest
2
Pacific -- History -- 20th century
2
horizons
2
soil characterization
2
soils
2
temperature
2
Campbell's roadhouse
1
Dawson City
1
E. L. Parson
1
Minto
1
Nenana
1
Nenana-Tanana trail
1
Point Barrow
1
Tanana river
1
Wilkins transpolar expedition
1
Winnipeg
1
Yukon miner
1
canned goods
1
coal oil
1
icicles
1
leakage
1
plane supplies
1
pneumonia
1
remedy
1
snow
1
snow motors
1
upper Yukon
1
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