Physiography

• Physiography Finder
• Elevation Finder
• Earthquakes

Mineral Resources

• Limestone Geology

Weather

• Precipitation
• Temperature

Water

• Watersheds

Soil

• Soil Orders

Forests

Wildlife

Recent Census

• Population: Median Age
• Population Density
• County-Level Incomes
• Population: Aged 65 or Older

Cultures

• Ancestry
• Pennsylvania Germans

Education

• School Districts
• Higher Education

Health

Government

• Municipalities
• PA House of Representatives
• PA Senate
• US House of Representatives

Politics

Agriculture

• Farm Preservation

Forestry

Mining/Drilling

• Coal Mining

Energy

Transportation

• Airports
• Major Railroads

Manufacturing

Retail/Wholesale

Recreation & Tourism

• State Parks
• National Parks in PA
• State Forests
• Art Museumns
• Transportation Museumns

Other Services

• .

History

• County Histories
• Military Forts

Cities

Environmental Quality

• Abandoned Mines
• Polluted Lakes
• Polluted Streams