Again followup to my previous query later records have shown Henry Brigman not to have been at Petersburg, but to have been a Union POW captured March 6, 1865 in Cheraw, SC. Henry Brigman/Bridgman 26th SC Inf. Co.D.
Source: SC Prisoners of War held at Hart's Island,NT April-July 1865. Researcher R>Hall, spartanburg, SC