location monument No. 1 of Agat bears S. 58° 39' E. 1,033.41 met ers; thence N. 87° 55' E. 400.00 meters to a point in the approximate center of the Bued River, from which point barrio location monument No. 1 of Agat bears S. 41° 10' E. 733.48 meters.  DTEAHI [Ex. Or. 91 (1915).] SECTION  53 . Boundaries of Subprovince of Apayao . — The subprovince of Apayao in the Mountain Province contains the territory embraced in the following boundaries: The eastern boundary shall be a line beginning in the hills immediately to the westward of the  municipality of Claveria, in the Province of Cagayan, and extending in a general south-easternly and southernly direction, between the settlements of Christians and of non-Christians, to the point in the hills immediately to the westward of Malaueg at wh ich the boundary of the subprovince of Kalinga begins; its southern boundary shall be the line fixed for the northern boundary of the subprovince of Kalinga; its western boundary shall be the line fixed as the eastern boundary line of northern Abra and of  that portion of Ilocos Norte which at present abuts upon the subprovince of Apayao, extending to a point directly to the west of the point of origin in the hills west of Claveria; its northern boundary shall be a line extending due east from this point to  the point immediately to the westward of the municipality of Claveria, at which the boundary begins; the general purpose in fixing this boundary being to include within the subprovince of Apayao all the non-Christian inhabitants of the Province of Cagayan,  as formerly constituted, west of the Rio Grande de Cagayan and north of Malaueg. [1642-4; 1876; Comp. 157.] SECTION  54 . Benguet and Amburayan-Lepanto Boundaries . — The subprovincial boundary between Benguet, on the south, and Amburayan and Lepanto, on the north, all in the Mountain Province, is as follows: Beginning at the point where the watershed dividing the  waters of the Amburayan River and its tributaries on the north from those of several smaller streams on the south flowing in a generally southwesterly direction through the subprovince of Benguet intersects the present eastern boundary of the Province of L a Union, and extending in a generally northeasterly direction medially along the crest of the above-described watershed and of the watershed which divides the waters of the Abra River and its tributaries from the waters of the Agno River and its tributaries to the point where the ridge forming the latter watershed leaves the face of the high mountain known as Mount Data, and thence in a straight line along the side of Mount Data to the point where the ridge or watershed between the Agno River and the stream s of Nueva Vizcaya joins Mount Data.  Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 27