Ilagan.

Bibliografiska uppgifter
Institutionell upphovsman:	Philippines. Bureau of Coast and Geodetic Survey
Materialtyp:	Karta
Språk:	English
Publicerad:	Manila Philippine Coast and Geodetic Survey 1983.
Serie:	P.C.G.S. 2506
Ämnen:	Ilagan (Isabela) > Maps, Topographic.