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Wade Davidson, of the University of Kentucky, inspects a specimen

Wade Davidson, of the University of Kentucky, inspects a specimen

Public domain photograph - historical image of Kentucky, United States, free to use, no copyright restrictions image - Picryl description

Orie Loucks lectures to Appalachia Forest Action Project volunteers during the Citizen Science orientation in the gymnasium of the Mountview School, Rock Creek, West Virginia

Orie Loucks lectures to Appalachia Forest Action Project volunteers du...

Event: Citizen Science workshop at Mountview School. Public domain photograph - historical image of West Virginia, United States, free to use, no copyright restrictions image - Picryl description

White pine (Pinus strobus) showing the sort of yellowing that could be caused by ground-level ozone damage

White pine (Pinus strobus) showing the sort of yellowing that could be...

The Appalachia Forest Action Project measured changing rates in the mortality of trees in the mixed mesophytic forest. This photo of white pine needles on Joe Aliff's property shows the symptoms that led to the... More

Orie Loucks, Chair of Ecosystems Studies for the State of Ohio (Miami University), conducting a field trip in Rock Creek

Orie Loucks, Chair of Ecosystems Studies for the State of Ohio (Miami ...

Event: Citizen Science Workshop. Public domain photograph - historical image of Ohio, United States, free to use, no copyright restrictions image - Picryl description

Appalachia Forest Action Project volunteers looking at "Big Red," an old-growth red oak tree on Joe Aliff's property

Appalachia Forest Action Project volunteers looking at "Big Red," an o...

Public domain photograph - historical image of West Virginia, United States, free to use, no copyright restrictions image - Picryl description

Orie Loucks orienting Appalachia Forest Action Project volunteers to mixed mesophytic growth on the property of Joe Aliff, Rock Creek

Orie Loucks orienting Appalachia Forest Action Project volunteers to m...

Joe Aliff writes, "The site of this photo is on the south slope of the right hand ridge of the 'Goode Hollow' which is one quarter mile up Rock Creek Hollow.

Trees plotted on a map by volunteers for the Appalachian Forest Action Project of the Lucy Braun Association for the Mixed Mesophytic Forest and Trees for the Planet

Trees plotted on a map by volunteers for the Appalachian Forest Action...

Event: Visit to a tree plotting site, the Molly Daniel's plot.