Wissahickon | Philly Naturehoods 2/7

Christina Moresi

0 min read

STEAM on the Trails: Seeking & Saving Animal Tracks

Christina Moresi and Susan Haider demonstrate how to create plaster casts from animal tracks found in the soil.

Trish Fries, M.A.Ed.

1 min read

Wissahickon is the Schist

Thursday January 7 is “Old Rock Day” And boy do we have some old rocks in the Wissahickon Valley!

Christina Moresi

1 min read

2021 Tree House Newsletters

2021 News from the Tree House