Lay Lay Magnetic Observation Station 1913
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| The unknown little sister to the Balanacan Luzon Datum Station, the Lay Lay Magnetic Observation Station is detailed in a 1913 U.S. Department of Commerce Report. First surveyed in May, 1903, it was again surveyed in October of 1912 by W.M. Hill. You will have to hunt for this place as it is not marked. |
