[{"source_document_id":17,"title":"Plums in South Dakota","url":"https://openprairie.sdstate.edu/cgi/viewcontent.cgi?article=1092&context=agexperimentsta_bulletins","rights_status":"unknown","evidence_claim_count":3,"relationship_count":0,"history_event_count":0,"sample_snippets":["The seedlings were grown by the writer at the South Dakota Experiment Station.","This heading covers seedlings grown by the writer at the South Dakota Experiment Station from wild pits received from Manitoba.","Listed as nigra."]}]