Section 3
SEC. 3. The chief engineer officer, Division of the Philippines, in charge of said harbor improvement, is hereby authorized to use, directly or through any authorized contractor, any stone or other material which he may find available and desirable on any of the public lands of the Philippine Islands. The chief engineer officer, Division of the Philippines, is further authorized and empowered, by and with the consent and approval of the Civil Governor of the Philippine Islands, to warrant any contractor using stone from what is known as the Mariveles quarries, and now in possession of the Insular Government, against any claim for compensation or damage made by any person or persons claiming to be the owner or owners of such quarries, by reason of the use of the stone therefrom by such contractor or contractors.