The Atrium at the Pittsburgh Children's Museum is a busy and colorful place.

The entrance of the Pittsburgh Children's Museum is very inviting.

These children created artwork on the local birds from Nine Mile Run.

Here are more children doing bird projects, and on the right is a map of Nine Mile Run.

This is the place in the park where Nine Mile Run originates.

This is a picture of the Squirrel Hill tunnel slag heap.

These shots show the education trailer at the study site and Nine Mile Run near the trailer.

This is where Nine Mile Run enters the Monongohela River.

These pictures show a view up the slag heap at the mouth of Nine Mile Run, a view of the Monongahela River from the slag heap, and a view up the Nine Mile Run from the slag heap.

A community rests at the base of Nine Mile Run, and the picture on the right shows another angle of the slag heap.