In this context, Manuel Morato, researcher from the Higher Technical School of Engineering (ETSI) of the University of Seville, has published a scientific article on the map of Tlacotalpa, one of the ...

In the last third of the 16th century, the Spanish crown set in motion a project to obtain a complete map of the New World. The method thought up for this was to use surveys, known as Relaciones ...

The rare 14th-century portolan chart is worth $7.5 million. Robert Gauthier / Los Angeles Times / Getty Images Last fall, Christie’s auctioned off a “highly unusual” nautical map as part of an estate ...

Alex Clausen is a map dealer. And although that designation may not, at first read, exude adventure and romance, Clausen really is a modern-day treasure hunter. He doesn’t sail the seas in search of ...

La Jolla map dealer Alex Clausen came across this rare 14th century nautical chart at an estate sale for Ann and Gordon Getty. (Robert Gauthier / Los Angeles Times) Alex Clausen is a map dealer. And ...

WASHINGTON — John Hessler, mathematical wizard and the senior cartographic librarian at the Library of Congress, slipped into the locked underground vaults of the library one morning last week.