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LuEsther T. Mertz Library
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Agricultural Experimental Stations and their publications: Pennsylvania

field of grass

Station History

Penn State Extension logoPenn State Extension maintains a presence in all 67 Pennsylvania counties, which are organized under 22 administrative districts across the state.

Helps individuals, families, businesses, and communities throughout Pennsylvania with information and a broad range of educational programs designed to:

  • Support productive, profitable, and competitive businesses and a strong agriculture and food system

  • Strengthen families, children and youth, and the elderly

  • Build caring, safe, and healthy communities

  • Ensure the long-term vitality of Pennsylvania's natural resources

  • Enable people to better understand and deal with complex public issues

Extension Publications

Contact Information

Dennis Calvin, Director, Penn State Extension


Historic Photographs


Farmers High School

Farmer's High School, 1855, which is now the Old Main at Pennsylvania State University. Image courtesy of Wikimedia Commons.

Penn State Agricultural Station

Penn State Agricultural Station.