{"nrhp_refnum":"90001623","name":"Long-Hawerter Mill","other_names":[],"category":"building","location":{"address":"Longsdale Rd. at Little Lehigh Cr., Longswamp Township","address_restricted":false,"city":"Topton","county":"Berks County","state":"PA","lat":40.48932647100003,"lon":-75.66346950899998,"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 small stone gristmill with attached frame cider mill and maple sugar house, located off Longsdale Road in Longswamp Township, Topton, Berks County, Pennsylvania, on the Little Lehigh Creek. The original building is a banked 1 1/2 story plus basement stone structure with a slate roof, dated to about 1800.","why_significant":"The nomination argues the mill is one of only a few surviving examples of the small country custom mill type identified in the Berks County Gristmill Survey, and that it represents an earlier era when custom milling dominated the local trade. It is significant for its architecture and for its association with the county's gristmill industry.","narrative":"Built about 1800 as a banked one and a half story stone gristmill with a slate roof, the Long/Hawerter Mill stands on the Little Lehigh Creek in Longswamp Township, Berks County. It was powered by an exterior water wheel fed by a stone dam and headrace. Over its life it served as a fulling mill, a custom grinding mill for farmers and neighbors, a red ochre works, and a feed mill. Frame additions for a cider press and a maple sugar house were built about 1910. Its interior holds early twentieth-century feed milling equipment made by the Robinson Company of Muncy, Pennsylvania. The mill is regarded as one of the few surviving examples of the small country custom mill in Berks County, a building type that was once common when farmers brought grain to local millers and paid a share of it for grinding. Its surviving stone construction, six-over-six sash, and gabled hoist dormer are cited as its key architectural features.","period_of_significance":"C 1800 1939","architect_builder":null,"architectural_style":"Vernacular","criteria":["A","C"],"status_note":"Feed milling equipment remains in the mill; the steel water wheel is in poor condition and the cider press has been removed; the mill ground feed until the 1950s.","vacant_flag":null,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:37.219441-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/90001623.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/90001623/0e4e997782-800.webp","url_1600":"https://nationalhistoricalregister.com/media/90001623/0e4e997782-1600.webp","licence":"CC BY-SA 3.0","author":"PattiParker","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Long-Hawerter_Mill.JPG\" rel=\"noopener\">PattiParker</a>, <a href=\"https://creativecommons.org/licenses/by-sa/3.0\" rel=\"license noopener\">CC BY-SA 3.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Long-Hawerter_Mill.JPG"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71992380","wikipedia":"https://en.wikipedia.org/wiki/Long-Hawerter_Mill","wikidata":"https://www.wikidata.org/wiki/Q6671820"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/berks-county/long-hawerter-mill-90001623/"}