Battle of the Iron Triangle ending a bitter four-month struggle. Following the withdrawal from Base 82 COSVN organized a new corps headquarters in the Tay Ninh- Binh Long region and designated it the 301st Corps. This corps would soon direct the combat operations of the 7th and 9th NVA Divisions, separate regiments, and additional formations already en route from North Vietnam. Meanwhile General Thuần decided to rest the tired troops of the 5th Division and turned his attention to sending his 25th Division to clear out the PAVN bases in the Ho Bo area west of the Iron Triangle. The ARVN defenses around An Dien
Iron Triangle, Richmond, California Portola Avenue, and 13th Street. The Burlington Northern Santa Fe Railway tracks that parallel Richmond Parkway/Garrard Boulevard form the northwest side of the triangle. Normally, the southern side of the triangle is considered to be the now abandoned Santa Fe tracks that ran between Ohio and Chanslor Avenues and are currently being developed as the Richmond Greenway. Because those tracks have been removed, the southern boundary of the neighborhood is now occasionally considered to be the BNSF tracks that run just south of Interstate 580. The area is well known as the heart of Richmond's African-American community. The neighborhood has