Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
Unitd States f9I  1913-10-05 K_K     = Populus STONEY CREEK - PARKEDALE j&5&     BALSAMIFERA w  Oliver A. Farwell Ey        59 J.E. ECKENWALDER   A 1221910   3338 /9      michigan 6Z    
{"catalogNumber": "1221910", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Populus", "subgenus": "", "specificEpithet": "balsamifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.E. Eckenwalder", "recordedBy": "Oliver A. Farwell", "recordNumber": "3338", "verbatimEventDate": "1913-10-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Stoney Creek - Parkedale", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}