Jay O'C: Houston Cistern entrance (L2040264)
Jay O'C: Houston Cistern (L2040267)
Jay O'C: Houston cistern (L2040274)
Jay O'C: Houston Cistern (L2040283)
Jay O'C: Houston Cistern (L2040280)
Jay O'C: Houston cistern (L2040277)
Jay O'C: L2040292-2
Jay O'C: L1003075
Jay O'C: L1003078
Jay O'C: L1003084
Jay O'C: L1003088