Did you know the Wissahickon Valley was added to Fairmount Park in 1868 specifically to protect Philadelphia's water supply? Find out why and how, as we set off from Blue Bell Hill to visit numerous fascinating park sites that have to do with water: PWD/FOW projects to control stormwater runoff and trail erosion, the 1888 […]
Do you wonder what happens in the Schuylkill river in the winter? What do the fish and other animals do when the water gets cold? Learn about the cold-blooded residents of the Schuylkill river and how they survive the winter. You will also discover a physical difference between hot and cold water and how that can affect fish in […]