drive across vs ford

drive across

ford

noun
  • A location where a stream is shallow and the bottom has good footing, making it possible to cross from one side to the other with no bridge, by walking, riding, or driving through the water; a crossing. 

  • A stream; a current. 

verb
  • To cross a stream using a ford. 

How often have the words drive across and ford occurred in a corpus of books? (source: Google Ngram Viewer )