Wood the growth of the young timber in open stands after the old trees have been removed is more rapid than in trees in a closed forest, and in the manufacture of articles where strength is an important consideration such "second-growth" hardwood material is preferred. This is particularly the case in the choice of hickory for handles and spokes. Here not only strength, but toughness and resilience are important. The results of a series of tests on hickory by the U.S. Forest Service show that: The effect of rate of growth on the qualities of chestnut wood is summarized by the
Medicine wheel Wheel Park in 1992. The Park showcases two solar calendars: "a horizon calendar (the medicine wheel) and a meridian or noontime calendar." According to the Medicine Wheel website, the "large circle measures 213 feet around. The 28 spokes radiating from its center represent the number of days in the lunar cycle. Six spokes extending well beyond the Wheel are aligned to the horizon positions of sunrises and sunsets on the first days of the four seasons." New Age writers tend to center the idea of the medicine wheel as an individualistic tool of personal development. This redefinition is in stark