AN ACT AMENDING SECTIONS ONE AND TWO OF REPUBLIC ACT NUMBERED FOUR HUNDRED AND SIX, ENTITLED "AN ACT CREATING A MINES SPECIAL FUND IN THE BUREAU OF MINES TO BE USED FOR THE CANVASSING AND EVALUATION OF MINERAL DEPOSITS NEEDED IN THE DEVELOPMENT OF PHILIPPINE INDUSTRIES, AND THE PUBLICATION OF MINING STATISTICS AND DATA, AND FOR OTHER PURPOSES."