REMOVE

1. Slate
2. 18th-20th century
3. 1844

WHAT

1. 4 slate pencils (2)
2. image-making equipment (2)
3. pencils (drawing and writ … (2)

WHERE

1. Roxbury (2)
2. Roxbury, Massachusetts (2)
3. UMass Archaeological Serv … (2)

WHEN

1. 1910 (2)
2. 19th-20th century (2)
3. creation date (2)