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Concepts and techniques of dendrochronology

Ferguson
[From first paragraph] Dendrochronology may be defined as the study of the chronological sequence of annual growth rings in trees. The concepts and techniques of the science, as presented here, reflect the work and practice of the Laboratory of Tree…
Type: Document
Year: 1970

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