Sand mine on the west fork of the San Jacinto adjacent to Kingwood.

Sand mine on the West Fork of the San Jacinto adjacent to Kingwood. Note the erosion across the top of the dikes. Cross references with satellite photos taken after the storm indicate that the river topped the dikes, swooped into the mines, scooped up sand and carried it downstream.

Sand mine on the West Fork of the San Jacinto adjacent to Kingwood. Note the erosion across the top of the dikes. Cross references with satellite photos taken after the storm indicate that the river topped the dikes, swooped into the mines, scooped up sand and carried it downstream.

Sand mine on the West Fork of the San Jacinto adjacent to Kingwood.

Sand mine on the West Fork of the San Jacinto adjacent to Kingwood.