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": ""}
 : 42.31438   N  CALHOUN     ^.; Brandt Woods. Beech-maple forest N of Winnipeg Lake ca. 4 mi NW of Albion, Sheridan Township. S7/8, T2S, R4W.   1990-06-12 f    W`G UNITED STATES      bDh -84.81651  l (wangenh.) k. koch cordiformis I?LL     q? dan j. skean, jr. "OCCASIONAL SMALL TREE CA. 5 M TALL. STERILE." Na   avy MICHIGAN    u8 fagales carya FIq  2637 DpY1 
{"catalogNumber": "", "order": "Fagales", "family": "", "scientificName": "", "scientificNameAuthorship": "(Wangenh.) K. Koch", "genus": "Carya", "subgenus": "", "specificEpithet": "cordiformis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dan J. Skean, Jr.", "recordNumber": "2637", "verbatimEventDate": "1990-06-12", "habitat": "", "occurrenceRemarks": "\"Occasional small tree ca. 5 m tall. Sterile.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Calhoun", "municipality": "", "locality": "Brandt Woods. Beech-maple forest N of Winnipeg Lake ca. 4 mi NW of Albion, Sheridan Township. S7/8, T2S, R4W.", "decimalLatitude": "42.31438", "decimalLongitude": "-84.81651", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}