... It was a substantial, well-built, and beautifully laid-out town of some 6,000 or 8,000 people. These people had for some time been without any military protection, but at the time we were there General Couch was encamped at Mercersburg, sixteen miles distant, with a battery and a force of men, and General Averill was encamped at Greencastle, ten miles distant, with 2,500 cavalry. Why did they permit us...