Portland Public Library

Trees + Effect of air pollution on -- Appalachian Mountains

Type

http://bibfra.me/vocab/lite/Concept

Label

Trees + Effect of air pollution on -- Appalachian Mountains

Name

Trees + Effect of air pollution on

Focus

Trees + Effect of air pollution on

Sub focus

Actions

Incoming Resources

Subject of
1
- An Appalachian tragedy, air pollution and tree death in the eastern forests of North America, edited by Harvard Ayers, Jenny Hager, and Charles E. Little ; photographs by Jenny Hager

Outgoing Resources

Focus
1
- Trees + Effect of air pollution on
Sub focus
3