Browsing Tree-Ring Bulletin, Vol. 27, No. 3-4 (1966) by Title
Now showing items 1-3 of 3
A Partially Automatic Tree Ring Interval Counter and Keypunch: (PATRICK)A microscope that enables an investigator to rapidly measure and simultaneously record tree ring intervals on data-cards is described. A resume of sources and magnitudes of errors is included.
Tree-Ring Dates from the Navajo Land Claim III. The Southern SectorData derived from specimens received from the Southern Sector, Navajo Land Claim, are presented. This Sector includes East Central Arizona and West Central New Mexico. Of the 797 specimens worked, 299 yielded dates.