Select an index term below to view citations.

• aquifers
• bibliography
• eutrophication
• geochemistry
• hydrologic cycles
• incised valleys
• lakes and reservoirs
• lakes and reservoris
• methods
• models
• paleohydrology
• pollution
• rivers and lakes
• rivers and streams
• sediment discharge
• springs
• surveys
• Unknown
• water quality
• wetlands