a river that rises in Pennsylvania and flows north into New York and then back south through Pennsylvania again to join the Monongahela River at Pittsburgh which is the beginning of the Ohio River

a river that rises in Pennsylvania and flows north into New York and then back south through Pennsylvania again to join the Monongahela River at Pittsburgh which is the beginning of the Ohio River

a river that rises in Pennsylvania and flows north into New York and then back south through Pennsylvania again to join the Monongahela River at Pittsburgh which is the beginning of the Ohio River

a river that rises in Pennsylvania and flows north into New York and then back south through Pennsylvania again to join the Monongahela River at Pittsburgh which is the beginning of the Ohio River

a river that rises in Pennsylvania and flows north into New York and then back south through Pennsylvania again to join the Monongahela River at Pittsburgh which is the beginning of the Ohio River

shrubby chestnut tree of southeastern United States having small edible nuts

shrubby chestnut tree of southeastern United States having small edible nuts

the western part of the Appalachian Mountains; extending from northern Pennsylvania to southwestern Virginia

the western part of the Appalachian Mountains; extending from northern Pennsylvania to southwestern Virginia

wild plum of northeastern United States having dark purple fruits with yellow flesh