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Conservation and stewardship of tree-ring resources: living trees and subfossil wood

Van Pelt, Swetnam
[no description entered]
Type: Document
Year: 1990

Effects of fire on cultural resources

Lissoway, Propper
Over the past 10 years considerable information has been gathered on the effects of fire and fire suppression activities on cultural resources in the Southwest. A review of this information is presented and recommendations are offered on how damage…
Type: Document
Year: 1990

The enduring resource of wilderness

Fege, Corrigall
[no description entered]
Type: Document
Year: 1990

Further archaeological evidence on the effects of teosinte introgression in the evolution of modern maize

Galinat, Ruppe
Another large and significant collection of prehistoric maize cobs (Zea Mays L.) with Tripsacoid characteristics that are indicative of introgression from either Tripsacum spp. or its maize derivative, teosinte (Zea mexicana Reeves and Mangelsdorf…
Type: Document
Year: 1961

Late-Pleistocene environments of North Pacific North America

Heusser
[from the text] The science of palynology has come a long way since the presentation of the first paper on modern pollen analysis by Lennart von Post at Oslo in 1916. Like many sciences it was initiated as a rather narrow discipline and consisted…
Type: Document
Year: 1960

The geographic range of the historic bison in the southeast

Rostlund
[no description entered]
Type: Document
Year: 1960