As estate sales of the über-wealthy go, the Ann and Gordon Getty Collection sell-off at Christie’s last year was a major success. Across 2,300 sold lots, it netted $200 million for charity, set a ...

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 ...

To safely navigate inland waters, big ships and other vessels helmed by professional mariners use nautical charts produced by the government in the U.S. and Canada. Charts – the proper name for ...

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.

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 ...

TCart a has introduced a new line of Satellite Reconnaissance Charts designed to complement official marine navigation maps in shallow waters. These digital maps, derived from recently acquired ...

Through the cooperation between the Saudi Red Sea Authority (SRSA) and the General Authority for Survey and Geospatial Information (GEOSA), the first high-precision nautical chart, in both paper and ...