James H. Carleton to John BD. Shinn, May 7, 1862

Capt. JOHN BD. SHINN, Commanding Light Battery A, Third Artillery, Present :

SIR: In addition to the amount of ammunition now in your caissons— that is to say, 50 rounds of 6. pounder shot, 40 rounds of 6-pounder case-shot, 10 rounds of 6 pounder canister shot, 40 rounds of 12-pounder case-shot, 30 rounds of 12-pounder shells, 8 rounds of canister for howitzers—I desire that you will select from the ammunition which has been shipped from Benicia Arsenal to your address the following articles, together with a due proportion of fuses, &c., to make your battery effective—that is to say, 252 rounds of 6-pounder shot, 196 rounds of 6-pounder case-shot, 84 rounds of 6-pounder canister shot, 200 rounds of case-shot for 12-pounder howitzers, 150 rounds of shells for 12-pounder howitzers, 80 rounds of canister shot for the same. This will leave remaining at Fort Yuma the following ammunition pertaining to your battery, viz, 148 rounds of 6-pounder shot, 104 rounds of 6-pounder case-shot, 216 rounds of 6-pounder canister shot, no spherical case shot for howitzers, 250 rounds of shell for 12-pounder howitzers, 316 rounds of canister for 12-pounder howitzers. The ammunition before enumerated, which you are to select to be transported on wagons, I desire to have weighed and placed by itself to-day ready for loading on the train.

very respectfully, your obedient servant,