Abo Elementary School was listed on the National Register of Historic Places in 1999.
Notes on verification
Multiple authoritative sources including official Federal Register publication, National Park Service database, and historical marker records all independently confirm both the property and the 1999 listing date with specific reference numbers.
Sources
- Abo Elementary School (wikipedia)
- https://www.hmdb.org/m.asp?m=235316 (corroboration)
- https://www.govinfo.gov/content/pkg/FR-1999-08-31/html/99-22620.htm (corroboration)
- https://npgallery.nps.gov/AssetDetail/NRIS/99001171 (corroboration)
- https://www.wikidata.org/wiki/Q4668192 (corroboration)