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<p>[QUOTE=&quot;Pete Apple, post: 26572253, member: 103982&quot;]Thanks for the link! I see the discussion about different radii, and took it to mean different from each other rather than internally different. I do see his reference to coins without a defined radius, and will follow up on that, too. I would like to find the reference to Buffalos&#039; having different curvatures in different part of the fields! I will see what I can find in Roger&#039;s book (I only have one!). </p><p><br /></p><p>Appreciate the reference![/QUOTE]</p><p><br /></p>

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