Cagayan Valley - Allied Forces. Southwest Pacific Area. ([S.l. s.n.], 1944)
no. 86. Terrain study. 1 Sept. 1944. --[no.] 86A. Terrain evaluation; Aparri and Cagayan River Valley, North Luzon, P.I., 10 May 1945. --[no.] 86B. Beach approach photography, Aparri and vicinity Buguey river to Ballesteros, North Luzon, P.I., 10 May 1945. --[no.] 86C. Engineer annex; Fuga and Barit Is., Babuyan Islands, P.I., 20 Dec, 1944. --[no.] 86D. Photographic annex. -- no. 86E Index to maps in map supplement.
Keywords: Military geography -- Philippines -- Cagayan Valley; Military geography -- Luzon, Northern