Kaiser Quarry Ruins Oakland, California
An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry. Visitors to the Sibley Volcanic Regional… Read More »Kaiser Quarry Ruins Oakland, California
An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry. Visitors to the Sibley Volcanic Regional… Read More »Kaiser Quarry Ruins Oakland, California