Forest declines -- Appalachian Mountains. : An Appalachian tragedy : air pollution and tree death in the highland forest of eastern North America / edited by Harvard Ayers, Jenny Hager, and Charles E. Little ; photographs by Jenny Hager
1998
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Forest declines -- Appalachian Mountains -- Pictorial works. : An Appalachian tragedy : air pollution and tree death in the highland forest of eastern North America / edited by Harvard Ayers, Jenny Hager, and Charles E. Little ; photographs by Jenny Hager
Forest declines -- Research -- New England : Hemlock : a forest giant on the edge / David R. Foster [and eight others], editors ; Stephen Long, consulting editor ; contributors Benjamin H. Baiser [and nine others]
