Here in the United States precisely detailed maps of many areas just don't exist.

Suppose that a cognitive map, similar to that in Figure 10, exists in the brain.

The cognitive map likely exists on a circuit involving much more than just the hippocampus, even if it is primarily based there.

As a result, no map exists to delineate the buffer zones.

No one can say categorically that his map does not exist.

That the map exists is known, but its whereabouts have remained a mystery.

No reliable map of Paris existed until the end of the 18th century.

Since a map did not exist, Mellin was put in charge of creating it.

You feel lost, like you're speaking the wrong language, you have the wrong currency, and no map of the country exists.

It was later widely questioned whether the map had ever existed.