Topic
Alaska
49
Yukon
25
Description and travel
18
Yukon Territory
18
Botany
14
Hunting
14
Mammals
12
United States
12
Canada
10
Paleontology
10
Birds
8
Field notes
8
Fisheries
8
Fossil
8
Geology
8
Yukon River
8
Diary
6
Fishes
6
Gold mines and mining
6
Northwest Territories
6
Silurian
6
North America
5
Northern Canada
5
Plants
5
hist
5
Bering Sea controversy
4
Botanik
4
Canadian Arctic
4
Flora
4
Fossils
4
Gold discoveries
4
Klondike River Valley (Yukon)
4
Mackenzie Mountains (N.W.T. and Yukon)
4
Mining law
4
Natural history
4
North of 60
4
Nulato Hills
4
Palaeontology
4
Pleistocene
4
Vegetation
4
Western Union Telegraph Expedition (1865-1867)
4
Wild and scenic rivers
4
Animals
3
Arctic
3
Environmental aspects
3
Ingalik Indians
3
59.19(79.8)
2
Alaska : R
2
Anvik
2
Anvik River
2
more ...