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USGS · do not necessarily represent those of the Geo- UTM GRID ANO 1966 MAGNETIC NORTH DECLINATION AT CENTER OF SHEET COAL RESOURCE OCCURRENCE MAP OF THE HUERFANO TRADING QUADRANGLE,

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Page 1: USGS · do not necessarily represent those of the Geo- UTM GRID ANO 1966 MAGNETIC NORTH DECLINATION AT CENTER OF SHEET COAL RESOURCE OCCURRENCE MAP OF THE HUERFANO TRADING QUADRANGLE,