Which preposition to use with dumfriesshire

at Occurrences 2%

He was living among the bleak, bare moors of Dumfriesshire at Craigenputtock, where he was consoled at times by visits from Jeffrey and Emerson, and by letters from Goethe, and where he wrote that strange and rhapsodical book "Sartor Resartus," containing a considerable portion of his own experience.

Which preposition to use with  dumfriesshire