[{"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":2,"relationship_count":0,"history_event_count":0,"sample_snippets":["Gurney's premium used Quaker as one of the standards for size and beauty in seedling plums.","Quaker was one of the main varieties in H. J. Gurney's Elk Point orchard."]}]