Woodhawks (Other Keyword)

DOCUMENT Full-Text W. W. Caldwell.

For the past several years the Smithsonian Institution has been concerned with the problem of dating cultural developments and climatic events along the main stem of the Missouri River (see Progress. Missouri River Basin, Oct.-Dec., 1959, pp.42-60). One of the most profitable approaches has been through dendrochronology, the charting and comparison of annual growth rings of trees. The study of dendrochronology is not new in the Plains. The work of Harry Weakly in central and western Nebraska,...