The encounter took place in the ravine near Searcy farm on July 11, 1862
Haller, W. M. 1st Lieut. wounded at ravine fight near Sorency farm July 11, 1862
The Official Records note that the Sear's farm was located 3 miles West of Pleasant Hill.
This Roots Web document records the official record of Silas Sorency's home.
http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=mojomom2003&id=I46