{"nrhp_refnum":"91001522","name":"Crawford Ditch","other_names":["Clear Creek Segment of the Crawford Ditch"],"category":"structure","location":{"address":null,"address_restricted":true,"city":"Pleasant Valley","county":"El Dorado County","state":"CA","lat":null,"lon":null,"geom_source":null},"listed_date":"1991-10-21","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Engineering","Agriculture","Exploration/Settlement"],"significance_levels":["state"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123858606","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/california/el-dorado-county/crawford-ditch-91001522/"}