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Archaeological and recent evidence for expansion of moose range in northern Alaska

Hall
Description not entered.
Type: Document
Year: 1973

Fire ecology in Shenandoah National Park

Wilhelm
From the Conclusions ... 'Prior to becoming a national park, Shenandoah had gone through periods of indiscriminate logging, hunting, livestock grazing, and burning. Then the area entered the National Park System and shifted abruptly to a regime of…
Type: Document
Year: 1973

Charcoal identification

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

Precision of ring dating in tree-ring chronologies

Douglass
The purpose of this paper is to emphasize the precision of the dating of individual rings in long tree-ring chronologies by the use of methods and procedures classed under the name 'dendrochronology'. The operations are based on climatic impressions…
Type: Document
Year: 1946