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Alaska
Yukon Territory
Animals
2
Fossils
2
Geography
2
Mammoths
2
Plants
2
Vertebrates
2
Acrotretida
1
Annan geovetenskap och miljövetenskap
1
Biernatidae
1
Biochemistry and Cell Biology
1
Brachiopoda
1
Devonian
1
Emsian
1
Lingulata
1
Novaya Zemlya
1
Other Earth and Related Environmental Sciences
1
Other Physical Sciences
1
Russia
1
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