sketch map

American  

noun

1. a rough map of the principal features of a locale, as one drawn from memory.

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Etymology

Origin of sketch map

First recorded in 1870–75

Example Sentences

Levin lured each actor with finished scripts for the first and last episodes and a sketch map for where he wanted to go in between.

From Seattle Times

By one a.m., he was ready to transfer the data from his pencil sketch map to the actual cave floor.

From Literature

What generals wanted were not accurate maps but sketch maps that showed the roads along which troops and supplies should move.

From Literature

My only notion was a roughly scribbled sketch map, giving approximate walking times between the sites.

From BBC

Horwood's sad story was recounted in a small volume, which included depositions, trial proceedings, and a sketch map of the crime scene.

From The Guardian