{"nrhp_refnum":"90001618","name":"Hain Mill","other_names":["Wernersville Mill"],"category":"building","location":{"address":"Jct. of Hain Mill Rd. and T 495, Lower Heidelberg Township","address_restricted":false,"city":"Wernersville","county":"Berks County","state":"PA","lat":40.35363383200004,"lon":-76.08297707120101,"geom_source":"nps_gis"},"listed_date":"1990-11-08","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Industry","Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"A stone gristmill on Spring Creek in rural Lower Heidelberg Township, Berks County, Pennsylvania, built in 1798 and sited on a small ten-acre farm with a stone farmhouse and outbuildings. The complex includes six contributing buildings.","why_significant":"The nomination argues the mill is a late eighteenth-century example of a classic merchant mill, with a larger building form designed for grain storage and refined interior and exterior details. Its associated house served as the miller's dwelling throughout the period of significance, and the Hain family's milling activity in Berks County is cited as the basis for significance under Criteria A and C.","narrative":"Built in 1798 along Spring Creek in rural Lower Heidelberg Township, the Hain Mill is a stone gristmill of two and one-half stories over a basement, measuring about 40 by 52 feet. Peter Hain is said to have built it, and the Hain family owned it for several generations, appearing on maps from 1816 to 1876. The building follows the classic merchant mill type, with a storage floor above the millstone level, a tin gable roof, and a hoist hood. Its interior retains open post and beam framing, chamfered posts, and a finished office with a corner fireplace and recessed wall cabinet. A stone farmhouse dated 1782 by datestone and several later frame outbuildings share the ten-acre site. The mill is regarded as a large and stylish example of its type, and its historical and architectural importance rests on its association with grain milling in Berks County.","period_of_significance":"1782-1939","architect_builder":null,"architectural_style":null,"criteria":["A","C"],"status_note":"The mill ceased operating sometime before the present owners purchased the property in 1961; the document describes it as in deteriorating condition due to the need of roof repairs.","vacant_flag":null,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:37.488953-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/90001618.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/90001618/e3f4631317-800.webp","url_1600":"https://nationalhistoricalregister.com/media/90001618/e3f4631317-1600.webp","licence":"CC BY-SA 4.0","author":"Jerrye &amp; Roy Klotz, MD","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:HAIN_MILL,_BERKS_COUNTY.jpg\" rel=\"noopener\">Jerrye &amp;amp; Roy Klotz, MD</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:HAIN_MILL,_BERKS_COUNTY.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71992396","wikipedia":"https://en.wikipedia.org/wiki/Hain_Mill","wikidata":"https://www.wikidata.org/wiki/Q15222530"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/berks-county/hain-mill-90001618/"}