File No. 812.00/18186
General Funston to the Secretary of War
1418. Following instructions have been sent Colonel Sibley commanding expedition in Mexico in vicinity Bouquillas:
As soon as you have accomplished purpose of your expedition or as soon as it becomes apparent that further desired results can not be promptly accomplished return with all your troops to the north side of Rio Grande River and report for further instructions. Major Langhorne and his troops are included as part of your command in foregoing instructions. Your troops should all be north of Rio Grande by May 25 or May 26.