{"nrhp_refnum":"07000025","name":"Muskingum River Navigation Historic District","other_names":[],"category":"district","location":{"address":"Coshocton, Muskingum, Morgan, Washington Counties","address_restricted":false,"city":"Coshocton","county":"Coshocton County","state":"OH","lat":39.77117047100006,"lon":-81.70628286848552,"geom_source":"nps_gis"},"listed_date":"2007-02-09","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Engineering","Maritime History","Transportation"],"significance_levels":["national","state"],"summary":null,"photo":{"url_800":"https://nationalhistoricalregister.com/media/07000025/f700bb46d8-800.webp","url_1600":"https://nationalhistoricalregister.com/media/07000025/f700bb46d8-1600.webp","licence":"CC BY-SA 4.0","author":"Rkitko","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Triple_locks_01.jpg\" rel=\"noopener\">Rkitko</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:Triple_locks_01.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71987287","wikipedia":"https://en.wikipedia.org/wiki/Muskingum_River_Navigation_Historic_District","wikidata":"https://www.wikidata.org/wiki/Q55284713"},"indexable":true,"url":"https://nationalhistoricalregister.com/ohio/coshocton-county/muskingum-river-navigation-historic-district-07000025/"}