AP Bia Mountain anchors the northwest corner of South Viet Nam's A Shau Valley, since 1966 a major infiltration route for Communist forces from the Ho Chi Minh Trail in Laos to the coastal cities of northern I Corps.
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AP Bia Mountain anchors the northwest corner of South Viet Nam's A Shau Valley, since 1966 a major infiltration route for Communist forces from the Ho Chi Minh Trail in Laos to the coastal cities of northern I Corps.