Which preposition to use with litchfield

on Occurrences 2%

In the meantime the Duke of Cumberland's army was forming in Staffordshire; for, upon the approach of the Rebels, it was resolved that his Royal Highness should be sent down to command the forces in that part of the kingdom; and he arrived at Litchfield on the 28th of November.

in Occurrences 1%

As the seat of Congress was Annapolis, General Wolcott, who was a member of that body, had decided to close the manor house for the winter and take a house in New York for his family, and he sent minute and particular directions for leaving all home affairs in the hands of Miss Bidwell and Reuben until their return to Litchfield in the spring.

to Occurrences 1%

He rides alone from Litchfield to Waterbury 28.

Which preposition to use with  litchfield