In this video, ACHS Historian Tim Smith discusses the secondary position markers of the First Army Corps on North Culp's Hill. Stay tuned for Part 2 next Monday.

Visit us inperson at Gettysburg Beyond the Battle Museum, recently voted "Best New Museum" by USA TODAY readers, at 625 Biglerville Road, just north of Gettysburg. For more information or to reserve museum tickets in advance, visit www.gettysburgbeyondthebattle.org.