[{"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":12,"relationship_count":0,"history_event_count":0,"sample_snippets":["Gurney's premium used Hawkeye as one of the standards for size and beauty in seedling plums.","Hawkeye was one of the main varieties in H. J. Gurney's Elk Point orchard.","C. Haralson began a note on the variety with 'One of our very best ...' at the end of the page.","In 1904 the trees were loaded to the ground."]},{"source_document_id":2,"title":"South Dakota Fruit Garden (visual sample pages 9-11)","url":"file:///usr/local/var/www/pomologica/data/raw/manual/benchmarks/sd_fruit_garden_1943_pages_10_12.pdf","rights_status":"public_domain","evidence_claim_count":4,"relationship_count":0,"history_event_count":0,"sample_snippets":["ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills","WINTER APPLES","Varieties for Trial","{\"column_label\": \"ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills\", \"cultivar_name\": \"Hawkeye\", \"notes\": [], \"page_number\": 1, \"parser_mode\": \"visual_table_page\", \"row_context\": null, \"row_la"]},{"source_document_id":14,"title":"A Study of Northwestern Apples","url":"https://openprairie.sdstate.edu/cgi/viewcontent.cgi?article=1075&context=agexperimentsta_bulletins","rights_status":"unknown","evidence_claim_count":1,"relationship_count":0,"history_event_count":0,"sample_snippets":["Recommended on northern native plum roots in districts 6, 7, 8, 9, and 12."]}]