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Archaeological evidence on the diffusion and evolution of maize in northeastern Mexico

Mangelsdorf, MacNeish, Galinat
[no description entered]
Type: Document
Year: 1956

Archaeological evidence on the evolution of maize in northwestern Mexico

Mangelsdorf, Lister
[no description entered]
Type: Document
Year: 1956

Estimates of teosinte introgression in archaeological maize

Galinat, Mangelsdorf, Pierson
[no description entered]
Type: Document
Year: 1956

Fire as the first great force employed by man

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

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