Hi Mike -
is this the same General Trudeau described by Bruce Allardice in his "More Generals in Gray" book??? If so, have a great image of him my West Texas cousins have in their possession. They seemed to think it was our uncle, Col. John Griffith, 11th & 17th Consol. Ark. Inf. (it isn't).
y.v.o.s.,
Kenneth Byrd