a. Organization Papers 1 document (1863)
b. Bonds 1 document (1864)
c. Correspondence (Unclassified letters) 15 documents (1863-1864)
d. Election Returns 3 documents (1864-1866)
e. Exempt Certificates, Applications for none
f. Muster Rolls, Monthly returns 8 documents (1863-1866)
g. Oaths Qualifications 7 documents (1863-1865)
h. Orders none
i. Receipts, invoices 3 documents (1863-1866)
j. Requisitions 1 document (1863)
k. Resignations none
l. Target Practice Reports none
m. Other none
The members adapted the name of Trueman Head Rifles to show honor to one of California's most prominent frontiersmen, who was more generally known under the euphonious title of `California Joe'. Truman Head was appointed Chief of Scouts by Brevet Brigadier General George A. Custer for the U.S. Cavalry.