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": ""}
 unit9ed states Vn8IN   first geologic4l survey of michigan, 1837â1840, douglass hought0n, state geologist; abram sager, boanist and zoologist, 1837; john wright, state botanist, 1838, assisted by george h. bull[collections were madeaug. 20 - 28, 1838, in cass. co., chiefly near edwardsburgh] [la6bel of na duplicate (na0073850) clearly has date as aug. 28, 1838] [na0073850: the pencil lawbel appears to be in the hand of george h. bull, john wright's botany assistanXt ] 8#S  Edward G. Voss hn      john wright K   S.N. l    UE J. F. GMEL.   1239237 FY<j     1838-08-28 G1HO-   =` POACEAE  @ Cass     DRY ROAD SIDE g  
{"catalogNumber": "1239237", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "J. F. Gmel.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "John Wright", "recordNumber": "s.n.", "verbatimEventDate": "1838-08-28", "habitat": "Dry road side", "occurrenceRemarks": "First Geological Survey of Michigan, 1837\u00e2\u0080\u00931840, Douglass Houghton, State Geologist; Abram Sager, Botanist and Zoologist, 1837; John Wright, State Botanist, 1838, assisted by George H. Bull[Collections were made Aug. 20 - 28, 1838, in Cass. Co., chiefly near Edwardsburgh] [Label of NA duplicate (NA0073850) clearly has date as Aug. 28, 1838] [NA0073850: The pencil label appears to be in the hand of George H. Bull, John Wright's botany assistant ]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cass", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}