James H. Carleton to Edward E. Eyre, March 31, 1862

Lieut. Col. EDWARD E. EYRE, First Cavalry California Volunteers, Present:

JOLONEL: You will receive fifty-one of the cavalry horses which have just arrived from San Francisco, and with these and the best of those others already on hand at Camp Carleton you will mount the rank and file of Company B, First Cavalry California Volunteers, filled up. temporarily to ninety, selected from the aon-commissioned officers and privates of Company E of your regiment. You will see that each man of these ninety is provided with a serviceable carbine, with a saber ground sharp, and with a navy revolver. You will then see that you have 100 rounds of ammunition for each of the ninety Sharps carbines and fifty rounds of ammunition for each of the ninety navy revolvers. You will see that you have at least ninety spare horseshoes, fitted ready to set, with nails and tools for setting them. You will see that you have a nosebag and either a pair of hobbles or a lariat rope and picket-pin for each of the ninety horses, and you will then see that in all other respects these men and horses are provided for active field service as cavalry and with rations of subsistence sufficient to last such a command from Camp Carleton to Camp Wright. Having done this, you yourself,with Surgeon Prentiss and Lieutenants Coleman and James, First Cavalry California Volunteers, all furnished with horses and mules agreeably with General Orders, No.4, current series, herewith inclosed,* will proceed with Company B, First Cavalry California Volunteers, prepared as above, starting from Camp Carleton on the 2d proximo, to Camp Wright, and there report to Lieut. Col. Joseph R. West, commanding at that camp, who will be instructed to give you further orders. No officer of your command thus organized will be permitted to have one ounce more than the regulation allowance of baggage, including bedding and mess furniture and cooking utensils. To insure this you will cause such baggage, &c., to be weighed. See General Orders, No. 3,+ current series, herewith inclosed, for your further information.

very respectfully, your obedient servant,