There are many bare slag slopes
at Nine Mile Run. Slag soil
remediation and regeneration is a challenging but not impossible
Some slag is differently colored;
possibly more reddish or whitish. It might be different type of slag.
Photo by Bob Bingham
Moss growing on slag.
Pine (Pinus sp.) on slag.
Norway Pine (Pinus resinosa)
is native to dry slopes in north central Pennsylvania and has been planted
extensively in similar habitats elsewhere in the state.