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Macintosh Picture Format  |  1996-09-10  |  186.5 KB  |  640x310  |  8-bit (217 colors)
   ocr: Sequoia widespread redwood family. No one knows how long a sequoia can live. Many trees in Sequoia National Park in California are over three thousand years old, still growing vigorously and producing abundant seeds every year. This sequoia slice offers a lesson in how to discover the age of a tree. Around the central point of the slice are concentric rings, some of which are invisible to the naked eye. Each of these represents one year's growth. To make the immense age of the tree more vivid, marks have been placed on 56