Earth & Environmental Sciences
cryoturbation
89%
secondary mineral
68%
archaeology
62%
art
59%
Holocene
59%
hydroxide
54%
valley
53%
pollen
52%
Pleistocene
51%
jarosite
49%
weathering
47%
river
47%
geology
45%
wetland
45%
fill
43%
soil
41%
food
39%
carbonate
38%
sedge
36%
bayerite
32%
history
32%
alluvial fan
32%
terrace
31%
shale
30%
loess
27%
alunite
26%
gibbsite
24%
new mineral
24%
ethnic group
22%
mineral
21%
family
21%
sand
20%
stone
19%
gypsum
18%
kaolinite
18%
material
18%
floodplain
17%
document
17%
pyrite
17%
intermontane basin
16%
mineralogy
16%
aluminum
15%
phosphate
14%
assimilation
14%
fining sequence
14%
Cretaceous
14%
timescale
13%
sulfate
13%
cultural change
13%
stomata
12%
Agriculture & Biology
archaeology
85%
geology
81%
Missouri River
73%
river valleys
71%
fans (equipment)
69%
arts
67%
Washington (state)
62%
engineers
61%
Picea
57%
wetlands
56%
Cyperaceae
54%
pollen
45%
history
44%
loess
36%
floodplains
26%
Salix
23%
clay
21%
valleys
21%
sand
19%
Poaceae
19%
West Bank
19%
Pilea
17%
dates (fruit)
16%
Pinus
16%
buried soils
16%
terraces
15%
alluvium
15%
Aster (Asteraceae)
14%
Polypodiaceae
14%
gravel
13%
silt
13%
limestone
13%
Cupressaceae
13%
Carex
12%
Artemisia
11%
willows
10%
sediments
10%
ferns and fern allies
10%
stomata
9%
spores
7%
winter
7%
immatures
7%
grasses
7%
sampling
6%
seeds
5%
Social Sciences
river
100%
wetland
77%
archaeology
62%
fan
62%
engineer
46%
art
42%
food
40%
Floodplains
36%
history
31%
agricultural product
20%
assimilation
16%
ethnic group
13%
cultural change
12%
building
10%
farm
10%
bank
10%
population growth
8%
evidence
8%
telephone
7%
Group
7%
census
6%
present
6%
ethnicity
6%
immigrant
5%
acceptance
5%