592 APPENDICES. 
draughtsmen, chain-carriers, mechanics, laborers, cooks, servants, and 
guides, and the incidental and necessary expenses of exploring parties ; 
the pay and subsistence of secretaries, surgeon, quarter-master, commis- 
sary, assistants, and clerks; the purchase of an outfit, including horses, 
mules, tents, and camp-equipage, arms and ammunition, books an 
stationery, instruments, medical stores, boats, mechanics’ tools, wagons, 
and vehicles for the transportation of the Commission, and its stores by 
sea or otherwise ; the purchase of articles for presents to, or traffic with, 
the Indians, clothing for the men (to be repaid by them) ; and the pur- 
chase and fixing of monuments to mark the boundary line. Of all these 
expenses you will keep a regular account, which, together with the neces- 
sary vouchers, you will render and transmit quarterly to the Fifth Au- 
ditor of the Treasury, for settlement. And to meet the same, as likewise 
the payment of the salaries, you will from time to time, as occasion may 
require, draw upon the Department, taking care not to exceed in the 
amount drawn at any one time the sum which will be required to meet 
the necessary and actual expenses of the Commission. You will be 
charged exclusively with the disbursement of the money appropriated to 
pay the expense of the Commission. 
As soon as the Commission is filled, you will transmit to this Depart- 
ment a list containing the names of the several persons composing it, 
the nature of the duties assigned to each individual, and the compensa- 
tion allowed to them respectively ; and will also, from time to time, in- 
rm the Secretary of the Interior of any change which you may by 
circumstances be induced to make in its organization. 
In organizing for duty, you are referred, for any information which 
you may deem necessary, to Andrew B. Gray, Esq. who has been ap- 
pointed Surveyor under the treaty, and to Breyet Lieut. Colonel John 
McClellan, of the Topographical Engineers, whom the President has desig- 
nated as “ Chief Astronomer and Head of the Topographical Scientific 
Corps of the Commission.’ 
Very respectfully, your obedient servant, 
D. C. GODDARD, 
" Secretary ad Interim. 
Joun R. Barrrert, Esq., 
Commissioner on the part of the United States, to 
run and mark the Boundary between the United 
States and Mexico. 
