18th c ... 18th c.
Late Geometric-Early Archaic ... Early Wall Trench C1; Layer 18
lower fill, 18th c. NPD ... lower fill, 18th c. NPD
el. 86.609, early 18th c ... el. 86.609, early 18th c.
Late 17th-early 18th c. AD ... Late 17th-early 18th c. AD