I am told that my great grandfather served in the union army at Gettysburg...was dicharged in April of 1865 I think... He had reached the rank of Corporal...Cpl.John David Reasner... Any help with more info would be greatly appreicated...Thank you...Greg

From the PA Archives ARIAS Card Index database:

Reasoner, John D.
Co. H, 16th Cavalry
Enrolled 9/15/62 at Chambersburg
Mustered in 9/;22/62 as Private at Harrisburg
Discharged: 6/16/65
Age at enrollment: 19
Height: 5' 7.5"
Hair: Dark
Complexion: Dark
Eyes: Hazel
Occyupation: Farmer
Residence: Franklin County
Remarks: Promoted to Corporal 6/1/65

You can find him in the muster roll for the 16th Cavalry on my PA in the Civil War website at:
http://www.pa-roots.com/~pacw/

Better late than never ...Thank you so much for the info Alice