Rachel St. John, “The Raging Controversy at the Border Began With This Incident 100 Years Ago,” Smithsonian Magazine (July 2018), ➝.
Greg Grandin, “The Border Wall Is Symbolic of a Nation Trapped by History,” truthdig, January 14, 2019, ➝.
“Marston Mat,” Wikipedia, ➝.
The Working Group on Human Rights and the Border Wall, “Obstructing Human Rights: The Texas-Mexico Border Wall,” Submission to the Inter-American Commission on Human Rights, June 2008, ➝.
H.R. 6061 (Secure Fence Act of 2006), passed September 29, 2006, ➝.
US Department of Homeland Security, US Customs and Border Protection, and US Border Patrol, “Environmental Stewardship Plan for the Construction, Operation, and Maintenance of Tactical Infrastructure U.S. Border Patrol Yuma Sector, Arizona and California,” May 2008, ➝.
Calle Cuarta, Los Algodones, Baja California, Google Street View, June 2009, ➝.
WhatA World, “Trump: “Steel Slats! Steel Slats!” So much for a WALL (5sec),” YouTube, January 3, 2019, ➝.
Peter Wade, “Trump Takes Credit for Obama’s Border Wall,” Rolling Stone, April 6, 2019, ➝.
US Department of Homeland Security, US Customs and Border Protection, and US Border Patrol, “ Final Environmental Stewardship Plan for the Construction, Operation, and Maintenance of Tactical Infrastructure, U.S. Border Patrol, Tucson Sector, Nogales Station, Arizona,” August 2008, ➝.
115th Congress, “Making appropriations for the fiscal year ending September 30, 2017, and for other purposes,” 131 Stat. 135, Public Law 115–31, passed May 5, 2017, ➝.
Congressional Research Service, “DHS Border Barrier Funding,” January 29, 2020, ➝.
Daniel Borunda and Rafael Carranza, “Pentagon awards first military-funded contracts for border fence in New Mexico and Arizona,” El Paso Times, December 14, 2019, ➝.
NowThis News, “Man Climbs Over Trump's Border Wall,” YouTube, December 7, 2019, ➝.