...our of his six pieces of artillery, and dividing his troops into two parties, he sent one, under Lieut.-Col. Sackett, to Snickersville, with instructions to proceed to Leesburgh, and thence return to Chantilly . This portion of the expedition followed the plan laid out for it, and made the route as described without meeting any adventures of note. The rebel pickets were driven in at all points, but no m...