Western PA School
for the Deaf
Take a tour of Fern Hollow Creek in Pittsburgh, PA by meeting a drop of water and a macroinvertebrate and learn about why it's so important to keep our creeks and parks clean and healthy.
Take a tour of Fern Hollow Creek in Pittsburgh, PA by meeting a drop of water and a macroinvertebrate and learn about why it's so important to keep our creeks and parks clean and healthy.
