Which preposition to use with keogh

to Occurrences 1%

Stretched along the north slope of the ridge, from Keogh to Custer Hill, was Smith's command, and at the culminating point of the ridge, or Custer Hill, but on the opposite ridge from where the others were placed, were Tom Custer and Yates, and with them Custer himself.

Which preposition to use with  keogh