Displaying 1 - 6 of 6
Buckner
The meaning of 'natural' as a guideline for managing public forests is questioned. Evidence of a rapidly shifting flora over eastern North America in recent geologic time is presented along with historical evidence of the open character of the…
Type: Document
Year: 1983
Koeppen
From the text ... 'Charcoal is largely unaffected by fungi or other woods destroying organisms. Consequently, it will persist in soil for great periods of time and often turns up in archaeological diggings and paleobotanical studies. The…
Type: Document
Year: 1972
Mangelsdorf, MacNeish, Galinat
[no description entered]
Type: Document
Year: 1956
Mangelsdorf, Lister
[no description entered]
Type: Document
Year: 1956
Galinat, Mangelsdorf, Pierson
[no description entered]
Type: Document
Year: 1956
Stewart
From the text...'The unrestricted burning of vegetation appears to be a universal culture trait among historic primitive peoples and therefore was probably employed by our remote ancestors. Archeology indicates that extensive areas of the Old and…
Type: Document
Year: 1956