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Van Pelt, Swetnam
[no description entered]
Type: Document
Year: 1990

Lissoway, Propper
Over the past 10 years considerable information has been gathered on the effects of fire and fire suppression activities on cultural resources in the Southwest. A review of this information is presented and recommendations are offered on how damage…
Type: Document
Year: 1990

Fege, Corrigall
[no description entered]
Type: Document
Year: 1990

Kauffman, Martin
Numerous studies, historical accounts and archaeological evidence suggest that the historical density and abundance of black oak (Quercus kelloggii Newb.) in mixed conifer forests was much greater than today. Reasons for the decline of this species…
Type: Document
Year: 1987

Ritchie
Post-glacial Vegetation of Canada brings together all the available information about the complex history of vegetational and environmental change in Canada since the last Ice Age. As the lands began to emerge from under the ice, they provided a…
Type: Document
Year: 1987