they had a distorted map
compasses guides maps
They made their own maps.
they use maps to find their way when they are lost
Astrolabes, maps
they use maps and stuff like those they also used compasses
Sun, stars, compass, GPS, maps
They used compasses , sea jornals, telescopes, and maps.
they use compass' and map.Also before maps were invented they used the sun,moon,stars, and color of ocean (if at sea)
Explorers collect information for maps as they go. Cartographers compile the information from different explorers and create maps. Navigators follow maps to get to where someone has already gone.
Tom TOM Gps units use the NAVTEQ GPS maps.
Explorers were able to use accurate maps to reach their destinations.
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