"shown on a map" is a correct and usable phrase in written English.
It is typically used to describe something that is depicted or illustrated on a map. Example: The route to the hiking trail is clearly shown on a map, making it easy for visitors to navigate their way through the forest.
By the early seventeenth-century the southern end of the leat and one mill are shown on a map.
In one of the scenes, Ukraine is shown on a map as part of Europe, not Russia.
The D notice secretary explained the current policy: "If a site could be seen from the air or from the road, it could now be shown on a map".
They are shown on a map exactly where they are and offered discounted bus tickets to their home towns if, that is, they decide not to try to cross the border again.
Pink may be the colour of an Empire's territories shown on a map of the world, while for modern shoppers trawling that world it denotes gifts suitable for girls.
To the right of this list, all of the popular places are shown on a map.
This tool appears to record and analyze where intelligence comes from; it can show on a map the amount of intelligence the N.S.A. collects from every country in the world.
The app can be set up to show notifications of lost pets within five, 10 or 25 miles of a volunteer's location; the app can also show on a map where pets were lost.
But here they are, making playing cards to show on a map and the different ways their tools can be used to shape geodata.
Tansey said Chism also helped investigators recover Ritzer's body by showing on a map where he dumped it in the woods behind the school.
Since mail is not reliable in Mexico, we tracked participants by asking them to show on a map where they live (e.g., vacant lots, parks, canyons) and work (e.g., hotels, bars).
