Riprap source: http://www.orn.usace.army.mil/cof/Copy%20of%20Copy%20of%20MVC-021S.JPG English applies to jurisdiction: United States of America determination
following license: English Pigeons of the Philippines walking on Marilao River riprap URL: https://commons.wikimedia.org/wiki/user:JFVelasquez_Floro Wikimedia
following license: English Pigeons of the Philippines walking on Marilao River riprap URL: https://commons.wikimedia.org/wiki/user:JFVelasquez_Floro Wikimedia
following license: English Pigeons of the Philippines walking on Marilao River riprap URL: https://commons.wikimedia.org/wiki/user:JFVelasquez_Floro Wikimedia
following license: English Pigeons of the Philippines walking on Marilao River riprap URL: https://commons.wikimedia.org/wiki/user:JFVelasquez_Floro Wikimedia
