...nd of the Northwestern Department, was organizing a powerful force at Wheeling, while General Milroy, under his orders, confronted the Confederates upon the Shenandoah Mountain, twenty miles west of Staunton , and considerable reserves, under General Schenck, were ready to support him in the Valley of the South Branch. At, and near Manassa's Junction, were stationed forces amounting to about 18,000 men,...