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Topics
Themes, subjects, and concerns for which USGS information resources are relevant.
Subtopics:
Elements
(9 items)
Recreation
(2 items)
Agriculture
(7 items)
Biological and physical processes
(531 items)
Culture and demographics
(9 items)
Earth characteristics
(259 items)
Global change
(9 items)
Hazards
(105 items)
Health and disease
(60 items)
Human impacts
(80 items)
Information system design and development
(20 items)
Instrument design and development
(11 items)
Land use and land cover
(45 items)
Map coordinate systems
(2 items)
Contamination and pollution
(104 items)
Natural resource exploration
(10 items)
Natural resource extraction
(19 items)
Natural resources
(448 items)
Organism groupings (non-taxonomic)
(144 items)
Organisms
(230 items)
Planetary bodies
(14 items)
Population and community ecology
(288 items)
Scientific careers
(8 items)
Water properties
(40 items)
Water quality
(251 items)
Water supply and demand
(54 items)
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