In Arizona, researchers have unearthed a bronze cannon, or "wall gun," linked to a famous expedition ... The expedition took place between 1540 and 1542. It was led by Spanish conquistador ...

She had been exploring the area a few months, looking for relics left behind by the Coronado Expedition, which Spanish conquistador Francisco Vázquez de Coronado led from what is now Mexico into the ...

It had a green hue, the mark of oxidized bronze ... cannon was the oldest gun ever found within the continental United States. A rare find with a compelling story behind it The cannon is a wall ...

She had been exploring the area a few months, looking for relics left behind by the Coronado Expedition, which Spanish conquistador Francisco Vázquez de Coronado led from what is now Mexico into the ...

The bronze cannon, or wall gun, is associated with the first European ... the first European settlement in the Southwest that was established in 1540. Start the day smarter. Get all the news ...

It had a green hue, the mark of oxidized bronze or copper ... Their conclusion: the cannon was the oldest gun ever found within the continental United States. The cannon is a wall or rampart ...