Each of the two smaller, 300-foot-tall, 78-foot-circumference smokestacks had a wall thickness of 4 inches at the top and 17 inches at the bottom. The thick concrete requires more man power to ...
Why it matters: While the landmark smokestacks hint at the Alamo Heights ... "There's a lot of history of concrete and cement in San Antonio," Jan Prusinski, executive director of the Cement ...