The Saint Croix Basin, an Irrigation Marvel for a Forgotten Civilization?

In my previous two-part article titled "The Exceptional Cuban Underwater City," I argued that the existence of a city at a depth of over 2,000 feet (609 m) below sea level off the coast of Cuba.
In my previous two-part article titled \'The Exceptional Cuban Underwater City,\' I argued that the existence of a city at a depth of over 2,000 feet (609 m) below sea level off the coast of Cuba. 
In my previous two-part article titled The Exceptional Cuban Underwater City, I argued that the existence of a city at a depth of over 2,000 feet (609 m) below sea level off the coast of Cuba. 

Where Oppenheimer escaped his legacy

The Strange Story of St. Croix - Saltscapes Magazine

Caribbean Ancient Origins

History Highlight: The St. Croix River Ferry and The Carnes Sisters – St. Croix 360

SP IR IT AM E R IC A A - La Crosse History Unbound

The Perilous St. Croix River Valley Frontier - Martens, Ken: 9781626193499 - AbeBooks

Beach at Columbus Landing St. Croix US Virgin IslandsVilla Margarita St Croix USVI

Massive First-Century Capitolium Temple Identified in Northern

History Highlight: The St. Croix River Ferry and The Carnes Sisters – St. Croix 360