usgs · rb 1.99 0.51 0.32 6.18 o. 78 1.41 8.58 0.98 5.91 1.53 0.30 14½0 0029' 258 mils 9 mils...

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Page 1: USGS · rb 1.99 0.51 0.32 6.18 o. 78 1.41 8.58 0.98 5.91 1.53 0.30 14½0 0029' 258 mils 9 mils utm grid and 1971 magnetic north declination at center of sheet 15 rb o. 50 5.63 rb