Aerial view of Crater Lake in Oregon, a collapse caldera formed by one of the largest volcanic eruptions in the past 8,000 years. A detailed survey of the volcanic deposits found offshore Japan ...

In 1824, teams of surveyors began to map Ireland, making it the first place in the world to have detailed ordnance survey maps for an entire country. Now, 200 years later, these 6in to a mile maps, ...