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USGS - PA Water Resources Site Index

• Frequently Asked Questions
• Water Data
  • Pennsylvania Current and Historical Water Data Online
  • Current Streamflow Conditions in Surrounding States
  • Nationwide Data
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• Drought Information
  • Pennsylvania Drought Status Updates
  • Pennsylvania Drought Condition Monitoring
• Map/GIS Data
  • Watershed Boundaries
  • County Geology
  • Flood Mapping
  • Links to other online sources
• Publications
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  • Press Releases
  • Annual Hydrologic Data Report of Pennsylvania
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  • Newsletter - The Keystone Surveyor
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• General Information
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  • Links to State and Local Water-Resources Web Sites
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• Project Highlights
  • Highlights of Selected Hydrologic Investigations in Pennsylvania
• Watershed Assistance
• Educational Links
• Water Science for Schools
  La Ciencia del Agua para Escuelas
• Science in Your Watershed
• The USGS Learning Web
• Ask Questions about the water resources of Pennsylvania
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