1880 U.S. census, Merrimac, Massachusetts, ED 140: the candidate Spofford household (Nathan, with a child indexed as Nettie), lines 30-34 of schedule page 26. The image is very faint.
Image · dated 5 June 1880 · source: U.S. Census Bureau, 1880 census (NARA T9), via Ancestry.

How it is shown: Complete page as supplied; no crop, no retouch, no search highlight.
Keep in mind: Unconfirmed: a candidate household only. The provider index reads Nettie Shotford, 6, born Maine, with Nathan, May, Clara and Sarah; ages and birthplace are not accepted, and there is no confident complete transcription of the faint original.