abert closure sheets · 2018. 10. 26. · arc length: chord direction: chord length. external:...
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- Abert Closure sheets · 2018. 10. 26. · Arc length: Chord Direction: Chord length. External: Middle ordinate. Radial Out: 1 7021'44.49" 1702546.14" 330.0000 85.0334 166.4459 N1500216.09"W
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