By reading the rings of more than 1,500 trees across the western U.S., some of which were growing as early as 800, and stitching together the story they told, the team previously created a map of ...

1 online resource (3 volumes) "These 'Memoirs of the survey of western Palestine' have been drawn up from notes taken in the field by Lieutenants Condor and Kitchener. They are divided into 'sheets' ...