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Subject
- Mammals3
- McTaggart-Cowan, Ian, 1910-20102
- Mountain passes2
- Mountains2
- Scientific expeditions--Equipment and supplies2
- American bison1
- Animal migration--Climatic factors1
- Animals--Food1
- Bison1
- Forest ecology1
- Grazing1
- Lemmings1
- Mammals--Ecology1
- National parks and reserves1
- Rivers1
- Synaptomys1
- Winter1
- Wolves1
- Wolves--Ecology1
- Wolves--Geographical distribution1