...ly placed on the map. Chickamauga Creek flows northeasterly into the Tennesseee from the mountain slopes in the northeastern angle of Georgia. Parallel ranges seem to lie on either side of it, and Gen. Rosecrans 's line of battle extended along its banks. But his advance, under Gen. Thomas, was at Lafayette, some distance beyond the river, more than a week ago, and other columns were moving toward that poin...