Admiral Alberto Mariano Vázquez De la Cerda, Physical Oceanographer and Professor from the University of Veracruz. Photo Credit: Pilar Luna

Roberto Junco, Helena Barba, and Edgar Merino - underwater archaeologists from Mexico's National Institute of Anthropology and History (INAH). Photo Credit: Pilar Luna

Helena Barba, underwater archaeologist from Mexico's National Institute of Anthropology and History (INAH). Photo Credit: Pilar Luna

One of the €œwings€ of the depressor of the side scan sonar. Photo Credit: Pilar Luna

Jeff Morris, Steve Bilicki and Roberto Junco prepare the side scan sonar for a run. Photo Credit: Helena Barba

The expedition team recovers the side scan sonar on the back deck. Photo Credit: Pilar Luna

The expedition team recovers the side scan sonar on the back deck. Photo Credit: Pilar Luna

The expedition team prepares the side scan sonar rig. Photo Credit: Pilar Luna

Joe Lepore prepares for a sonar tow. Photo Credit: Helena Barba

Jeff Morris post processes the magnometer data. Photo Credit: Helena Barba

Navigating on the tender towards Chinchorro Bank. Photo Credit: Pilar Luna

Jeff Morris puts the magnometer in for a survey of the 40 Cannon Wreck site. Photo Credit: Pilar Luna

The magnometer being towed behind Protector over the 40 Cannon Wreck site. Photo Credit: Pilar Luna

Jeff Morris and Pilar Luna prepare Protector for a magnometer survey on Chinchorro Bank. Photo Credit: Helena Barba

The Waitt expedition team returns from a magnometer survey. Photo Credit: Helena Barba

The Waitt expedition team motors out to the 40 Cannon Wreck site. Photo Credit: Pilar Luna

A cannon, ballast, and coral at the 40 Cannon Wreck€€ in Chinchorro Bank. Photo Credit: Jeff Morris

A coral head at the 40 Cannon Wreck€€ in Chinchorro Bank. Photo Credit: Jeff Morris

Jeff Morris, self-portrait at Chinchorro Bank. Photo Credit: Jeff Morris

A mound with some ballast and other elements, on the seabed at the 40 Cannon Wreck€ in Chinchorro Bank. Photo Credit: Jeff Morris

An area at the 40 Cannon Wreck€€ in Chinchorro Bank with ballast and dead and live coral. Photo Credit: Jeff Morris

Cannons and ballast at the €œ40 Cannon Wreck€ in Chinchorro Bank. Photo Credit: Jeff Morris

One of the iron cannons at the 40 Cannon Wreck€€ in Chinchorro Bank. Photo Credit: Jeff Morris

An arrow with a scale pointing to the North, as part of the photo recording of an area of the 40 Cannon Wreck€.€ Photo Credit: Jeff Morris

Helena Barba and Michael Desnner do a reconnaissance survey at the site. Photo Credit: Jeff Morris

Lance Milbrand shoots video at the 40 Cannon Wreck€€ in Chinchorro Bank. Photo Credit: Jeff Morris

A portion of the wreck at the 40 Cannon Wreck€ site. Photo Credit: Jeff Morris

Anchor ring with ropes from the 40 Cannon Wreck€€. Photo Credit: Jeff Morris

Michael Dessner takes a closer look at a portion of the wooden hull. Photo Credit: Jeff Morris

Helena Barba takes a look at the ballast from the 40 Cannon Wreck€€ in Chinchorro Bank. Photo Credit: Jeff Morris

A cannon at the site rests undisturbed. Photo Credit: Jeff Morris

Pilar Luna Erreguerena, Director of Underwater Archaeology at Mexico's National Institute of Anthropology and History (INAH). Photo Credit: Helena Barba

A magnometer survey completed by the Waitt Institute and INAH on the 40 Cannon Wreck site at Chinchorro Bank.