Earth & Environmental Sciences
mine drainage
62%
acid mine drainage
54%
phytoremediation
53%
biogeochemistry
52%
fragipan
38%
subsurface flow
26%
compost
24%
iron oxide
23%
coal mine
22%
lime
21%
surface layer
20%
crust
17%
oxide
17%
fold
17%
bacterium
15%
vegetation
14%
loss
12%
Chemical Compounds
Mine Drainage
82%
Biogeochemistry
77%
Acid Mine Drainage
71%
Compost
32%
Coal
22%
Iron Oxide
22%
Amorphous Material
16%
Flow
15%
Oxide
12%
Surface
7%
Medicine & Life Sciences
Environmental Biodegradation
70%
Drainage
40%
Composting
38%
Acids
35%
lime
34%
Coal
31%
ferric oxide
29%
Oxides
28%
Bacteria
16%
Therapeutics
3%
Engineering & Materials Science
Biogeochemistry
100%
Drainage
50%
Precipitates
48%
Acids
43%
Reclamation
10%
Iron oxides
10%
Lime
8%
Bacteria
8%
Coal mines
8%
Oxides
6%