{"nrhp_refnum":"76001593","name":"Walker-Ewing Log House","other_names":[],"category":"building","location":{"address":"NE of Oakdale on Noblestown Rd., Collier Township","address_restricted":false,"city":"Oakdale","county":"Allegheny County","state":"PA","lat":40.41066696100006,"lon":-80.15863794299997,"geom_source":"nps_gis"},"listed_date":"1976-01-30","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"A two-story log house with an attic and basement, built on the Ewing farm area near Oakdale in Allegheny County, Pennsylvania. It was given as a wedding present in 1808 and is now a house museum.","why_significant":"The nomination argues the house is a refined example of an early log dwelling, with improvements such as a fuller plan and two fireplaces over earlier eighteenth-century predecessors. It is tied to the Walker and Ewing families, early settlers and millers in western Pennsylvania, and is said to have local architectural importance.","narrative":"Built in the late eighteenth century, probably around 1790, the Walker-Ewing Log House is a two-story log dwelling with an attic and basement in Oakdale, Allegheny County. Its saddle-notched logs, steep gable roof and a large triangular stone chimney set between the rooms reflect early frontier construction. A carved date of 1762 appears on a fireplace stone, but the original log house was burned by Indians in 1782, so the present building dates from later. Isaac Walker gave the house to his daughter as a wedding present when she married William Ewing, son of settler Alexander Ewing, in 1808. The Walker and Ewing families acquired large tracts of land and ran milling operations in the area. The nomination regards the house as a refined log dwelling, with a fuller plan and two fireplaces that improve on earlier examples. It was restored by the Pittsburgh History and Landmarks Foundation and is being developed as a museum of early nineteenth-century frontier life in western Pennsylvania.","period_of_significance":"c. 1790","architect_builder":null,"architectural_style":null,"criteria":[],"status_note":"Acquired and restored by the Pittsburgh History and Landmarks Foundation as a house museum; the form notes it is in good state of preservation.","vacant_flag":false,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:28.82285-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/76001593.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/76001593/ba0bc923da-800.webp","url_1600":"https://nationalhistoricalregister.com/media/76001593/ba0bc923da-1600.webp","licence":"CC BY-SA 4.0","author":"Lee Paxton","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Walker-EwingLogHouse.jpg\" rel=\"noopener\">Lee Paxton</a>, <a href=\"https://creativecommons.org/licenses/by-sa/4.0\" rel=\"license noopener\">CC BY-SA 4.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Walker-EwingLogHouse.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71996838","wikipedia":"https://en.wikipedia.org/wiki/Walker-Ewing_Log_House","wikidata":"https://www.wikidata.org/wiki/Q7962197"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/allegheny-county/walker-ewing-log-house-76001593/"}