Displaying 1 - 4 of 4
Craddock
Although firesetting is well recognized as one of the most ancient mining techniques for breaking up rocks, surprising little is known about the way in which it was practised. This article reviews not only the archaeological and historical evidence…
Type: Document
Year: 1992
Finney, Martin
Fire intervals were derived from analysis of fire scars on samples taken from 14 redwood (Sequoia sempervirens D. Don (Endl.)) stumps throughout Annadel State Park, California. Samples were obtained from small redwood groves that are isolated within…
Type: Document
Year: 1992
Denevan
The myth persists that in 1492 the Americas were a sparsely populated wilderness, 'a world of barely perceptible human disturbance.' There is substantial evidence, however, that the Native American landscape of the early sixteenth century was a…
Type: Document
Year: 1992
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