Subject
Gold mines and mining
Klondike River Valley (Yukon) Gold discoveries
9
Alaska
2
Alaska Description and travel
2
Nome, Cape (Alaska : Cape)
2
Canada, Northern
1
Cook Inlet (Alaska) History
1
Frontier and pioneer life
1
Hydraulic mining
1
Kotzebue Sound (Alaska)
1
Mines and mineral resources
1
Platinum ores
1
Prospecting
1
Yukon
1