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MMORPG.com's V D has provided us with this new guide to Cartography Skill Training in Ultima Online.
Cartography is the skill you must know if you want to be a treasure hunter. The skill allows you to decode treasure maps found on monsters, and then use them to dig up the treasure. It isn’t a very fun skill to train in but the ends do justify the means. Like most skills, it gains up fast and steady in the beginning but it crawls down to near halt when you get high up there. Pretty much the way you raise this skill is just by drawing maps over and over again. Pure excitement!
The first step in Cartography training is buying a mapmaker’s pen from a NPC mapmaker (or another player with a high tinkering skill can make one for you). Next is buying a lot of blank scrolls in any mage shop or blank maps from the shipwright who is usually where a lot of the NPC mapmakers hang out. I recommend using blank scrolls because they are much cheaper, and since they will stack in your bag you can carry more of them at one time.