Win Gatchalian > Bills Filed > SBN-1986 Declaring the Luzon Datum in the Municipality of Mogpog, Province of Marinduque a Tourist Spot SBN-1986 Declaring the Luzon Datum in the Municipality of Mogpog, Province of Marinduque a Tourist Spot By: Win Gatchalian January 26, 2021 at 12:25 pm PHT