The majority of his work was undertaken in northern Scotland.

This would have made travel to northern Scotland relatively easy for early human settlers.

Males in northern Scotland sometimes have yellow tails instead of white.

They have a very quiet life in a small village in northern Scotland.

The experiment was prompted by a survey of the commission's forests in northern Scotland.

As suggested by the title, he preached the gospel in many parts of northern Scotland.

There were external buildings around the tower that are thought to have been a village, an arrangement found only in northern Scotland.

On the ground in northern Scotland, visibility was being measured in feet, not yards.

These were places of assembly in early medieval times, mostly in northern Scotland.

He was a leader in the Viking conquest of what is now northern Scotland.