Topic
Rivers
Aerial photographs
59
Mountains
55
Valleys
48
Lakes & ponds
15
Hills
6
Fjords
5
Coastlines
3
Bays (Bodies of water)
2
Cliffs
2
Forests
2
Glaciers
2
1898-1902
1
Aerial views
1
Algoma Central and Hudson Bay Railway Company
1
Arctic regions
1
Clouds
1
Dall sheep
1
Discovery & exploration
1
Ferries
1
Horses
1
Ice
1
Iceberg
1
Log cabins
1
Men
1
Mountaineering
1
Parachuting
1
Peary Arctic Club Expedition to the North Pole
1
Railroad stations
1
Seaplanes
1
Surveying
1
Walter A.
1
Waterfronts
1
Wood
1