[{"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":["Apparently a natural cross of Forest Garden and Miner.","Of very strong growth in nursery.","A promising new variety originated by E. D. Cowles, Vermillion, S. D."]}]