1.   Each page has a colour photograph of the mountain, a sketch map and a description of the route.

2.   Generations of observers slowly improved their sketch maps of Mars.

3.   I also enclose a sketch map showing the exact location.

4.   Make with the sketch maps of the area.

5.   But there are sketch maps of the voyage and a good selection of photographs of the ports Susan visited.

6.   His captors had accused him of having a clandestine radio and a sketch map of the railway.