So Willem drove a short distance inland from the levee and circled the former site of the mine. This was nothing but vacant land, overgrown with scrubby trees where it wasn’t scarred by traces of roads. On its south side there was a tumbledown building, scarcely more than a shack, covered in unpainted plywood gone dark with age and mold. Above its front door was a sign, hand-painted on sheet metal that was now 90 percent rust. But he could make out the letters AZOS MIN . The last vestige in Port Sulphur of Brazos Mining. Recalling the queen’s interest in the name, he pulled in close enough to take a snapshot of the sign.