Topic
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British Columbia
2
British National Antarctic Expedition
6
Bryozoa
1
Bunger Hills Region
4
Caledonides
1
California
2
California Mojave Desert
1
Cambrian
2
Cambrian Geologic Period
2
Canada
19
Canadian
3
Cape Breton
2
Cape Breton Island
6
Chipewyan language
2
Churches
1
Churchill River Region (Sask. and Man.)
2
Climate
1
Conception Bay
2
Craft
1
Crustacea
2
Crustacea [crustaceans]
1
Davis Islands
2
Decouverte et explor
2
Description and trave
2
Description and travel
13
Descriptions et voyage
2
Descubierta (Ship)
1
Deutsche Nordpolar-Expedition
5
Devonian
2
Diary
4
Discovery (Ship)
9
Discovery and exploratio
2
Discovery and exploration
16
District of Mackenzie
2
Douglas
2
Dubawnt River
2
Dubawnt River Region (N.W.T.)
2
Earth (Planet)--Crust--Congresses
1
Earthquake engineering
1
Earthquakes
1
East Greenland
1
Echinozoa
1
Ecology
1
Economic and social development
1
Enderby Land
34
Environmental Science
1
Ethnology
1
Etnicity
1
Europe
1
Exploration
2
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