Map accompanying treaty registration no.I-23104, UNTS vol. no.1373, between Algeria and Niger which entered into force 05.01.1983. Comprises 12 aerial photographs, 24 negatives, and 2 sets of signed paper maps each showing location and illustrations.of the 12 boundary pillars: Frontière Algérie Niger, Scale 1:200,000, 1981, 24 sheets; Frontière Niger Algérie, Scale 1:200,000, 1981, 24 sheets. Shows frontier pillars with coordinates. In French.