Statistics for occurrence #1 of “Pleasonton” in chapter 2.19 of Oliver Otis Howard, Autobiography of Oliver Otis Howard, major general , United States army : volume 1:
...ifles and sudden clouds rolling up from cannon, yet, strange to say, could hear no sound.
The air was very clear, and the distance greater than it appeared.
Our own division's advance brigade and Pleasonton 's cavalry were skirmishing with Lee's rear guard.
...