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": ""}
    1973-07-19 w^f    j7n Lake BETULA NW*  14261 B0   I#T6[ ca. 4 mi. N. of Bristol.  X L.          XL9 MICHIGAN     F6 EDWARD G. VOSS pumila es:    W4  b-85.594005   t q 1349516
{"catalogNumber": "1349516", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Betula", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "14261", "verbatimEventDate": "1973-07-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Lake", "municipality": "", "locality": "ca. 4 mi. N. of Bristol.", "decimalLatitude": "", "decimalLongitude": "-85.594005", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}