Which preposition to use with dartmoor

in Occurrences 2%

You can't expect to break out of Dartmoor in a frock-coat.

against Occurrences 1%

He could do this, but he could not appreciably hurry the correspondence by which Pall Mall bargained a Frenchman in the forest of Dartmoor against an Englishman in the fortress of Briançon in the Hautes Alpes.

to Occurrences 1%

This part of the story concludes with the reception of this news by Lilian and Cyril, whose unintentional neglect has caused the miscarriage of a letter that would have enabled Henry to escape. IV."I Will Confess my Wickedness" Everard is free, and, wearing the grey suit of a discharged prisoner, is travelling from Dartmoor to London by train.

Which preposition to use with  dartmoor