The Queen of the Savannah by Gustave Aimard

THE provost marshal recognized the inutility of further search, and, despairing of recapturing the fugitive, whom he supposed to be hidden in the irregular masses of rock that bordered the stream, collected his men, and gave them orders to close up, after bidding them keep the prisoner's escape temporarily a secret, as he himself intended to tell the general what had occurred when the latter asked at his hands the prisoner confided to him. An hour later he entered the canyon, and rejoined the main body of the army.

General Sandoval, although he had nearly twenty thousand men under his orders, perceived, almost immediately after he invested Coahuila, that with soldiers like his, badly armed, worse disciplined, and completely deficient in the necessary articles for a regular siege, he would never succeed in storming a town defended by a garrison of veteran troops, and commanded by one of the best generals of the Spanish army. He therefore converted the siege into a blockade, contenting himself with cutting off the enemy's communications with the interior, and hoping finally to reduce him by famine.