By 1900, the tale of the 300 Texians who died in the 1836 battle of the Alamo had already become legend. But to corporate interests in the growing City of San Antonio, the land where that blood was shed was merely a desirable plot of land across the street from new restaurants and hotels, with only a few remaining crumbling buildings to tell the tale. When two women, Adina Emilia De Zavala, the granddaughter of the first vice-president of the Texas...