Topic
Plantae
21
Ecology
12
Bryophyta
9
125 wood samples
8
Biological Sciences not elsewhere classified
8
Bryopsida
8
Environmental Sciences not elsewhere classified
8
First International Polar Year
8
High Arctic Historic
8
Lady Franklin Bay
8
Magnoliopsida
8
Microbiology
8
Peary Huts
8
Sociology
8
decay
8
fort Conger
8
fungi
8
rot
8
scanning electron microscopy
8
site
8
Poales
7
Canada
6
DATE/TIME
6
Fort Conger
6
Fort_Conger
6
IPY-1
6
International Polar Year 1881-1884
6
OBSE
6
Observation
6
1898-1902
4
Amblystegiaceae
4
Arctic regions
4
Discovery & exploration
4
Explorers
4
Forts & fortifications
4
General Earth and Planetary Sciences
4
Geography, Planning and Development
4
Hypnales
4
Peary Arctic Club Expedition to the North Pole
4
Poaceae
4
Polypodiopsida
4
Temperature
4
Thermometer
4
Anemometer
3
BARO
3
Barometer
3
Cloud cover
3
Cyperaceae
3
HYGRO
3
Humidity
3
more ...