Proclamation No. 978, s. 1997 - Signed on March 10, 1997: Amending Letter of Instruction 917-A dated September 7, 1979 by declaring certain parcels of land of the public domain and its coastal waters covering northern Sierra Madre situated in the Municipalities of Palanan, Divilacan, Maconacon and portions of San Pablo, Cabagan, Tumauini, Ilagan, San Mariano and Dinapigue, all in the Province of Isabela as protected area under the category of natural park.
Signed on March 10, 1997: Amending Letter of Instruction 917-A dated September 7, 1979 by declaring certain parcels of land of the public domain and its coastal waters covering northern Sierra Madre situated in the Municipalities of Palanan, Divilacan, Maconacon and portions of San Pablo, Cabagan, Tumauini, Ilagan, San Mariano and Dinapigue, all in the Province of Isabela as protected area under the category of natural park.
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Proclamation No. 978, s. 1997 - Signed on March 10, 1997: Amending Letter of Instruction 917-A dated September 7, 1979 by declaring certain parcels of land of the public domain and its coastal waters covering northern Sierra Madre situated in the Municipalities of Palanan, Divilacan, Maconacon and portions of San Pablo, Cabagan, Tumauini, Ilagan, San Mariano and Dinapigue, all in the Province of Isabela as protected area under the category of natural park.. BatasPH. Approved March 10, 1997. https://batasph.thirdygayares.com/proclamations/proclamation-no-978-s-1997