Table:
text: List of Pennsylvania state parks
Current parks
Current Pennsylvania state parks
Park_name County_or_counties Area_in_acres_ha Date_founded Streams_and_or_lakes
Allegheny Islands State Park Allegheny County 43acres (17ha) 1980 Allegheny River
Archbald Pothole State Park Lackawanna County 150acres (61ha) 1964 None
Bald Eagle State Park Centre County 5900acres (2,388ha) 1971 Bald Eagle Creek , Foster Joseph Sayers Reservoir
Beltzville State Park Carbon County 2973acres (1,203ha) 1972 Pohopoco Creek , Beltzville Lake
Bendigo State Park Elk County 100acres (40ha) 1959 East Branch Clarion River

Question: What are the rivers and/or lakes if the founding date is 1959 for Pennsylvania State Parks?

Question: What is the most recent incorporation date in Elk County for the List of Pennsylvania State Parks?