The place is rich in legend, and now it’s safe for future generations.The Central Virginia Battlefields Trust has acquired 81 acres along State Route 3 in Spotsylvania where doctors tried to save Lt. Gen. Thomas J. “Stonewall” Jackson, wounded by his troops in a “friendly fire” mishap.Dr. Hunter McGuire (the namesake of today’s Veterans Administration hospital in Richmond) amputated the Confederate leader’s left arm, hit in two places.“It all happened right here,” says Jerry H. Brent of Fredericksburg, the trust’s executive director. “This was part of the Wilderness Tavern site, on both sides of the road. With the corps’ field hospital in operation, there were hundreds of soldiers in tents or milling about, and wagons coming and going.”...