..., and Slocum busy-and Sickles busier still near the Furnace as soon as Jackson's guns were heard. There was a point at the Furnace clearing where the moving troops of Jackson were seen by some of Sickles 's skirmishers. This was reported to Sickles, and by him to General Hooker. A strong reconnoissance was made. Clark's battery, well supported, was put in position, and fired upon the Confederate...