: Historic markers are fragile; preservationists often use specialized mortar and epoxy to repair stones broken by tree roots or frost cycles.
: By the late 18th century, many urban burying grounds became dangerously overcrowded—sometimes with bodies buried four-caskets deep—leading to health concerns over "exhalations" from open graves. Social & Racial Contexts burying ground
Today, burying grounds are increasingly valued as open public spaces for education and reflection. : Historic markers are fragile; preservationists often use