Early Texas towns took hold alongside protected bays: think Galveston and Corpus Christi. Others developed along the banks of fine rivers, such as San Antonio, Goliad and El Paso. But later, it was the steel tributaries called railroads that planted the seeds that raised towns alongside them. Railroads, more than any other technology, ushered Texas into the industrial age and commercial wealth. The railroads got a slow start in Texas, but the 1876 constitution changed that. It gave away 16 sections of land for every mile of railroad constructed. And tracks began to get laid down with urgency. Imagine, for every mile of track you constructed, your company would get over 10,000 acres as payment! And that wasn’t all. You’d also get a governmen...