The Taylors’ tribute to Sancho was an unmarked rough boulder

Evidence

So I was shocked to learn that it was indeed a stone, a rough-hewn boulder. When we could not find it the first time we looked together, Rose later sent me a photo of that slab. There was no epitaph that I could see. You would not know that Sancho was buried there. — Tamara Lanier, From These Roots, 532