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": ""}
 U9 micigan   s.n. r   b unknown       e. snheld. .4     1837 e9@;      no data provided on l4bel of catalog no:1319906 17    Alismatales 8=.  FIRST GEOLOGICAL SURVEY OF MICHIGA2N, 1837Â1840, DOUGLASS HOUGHTON, STATE GEOLOGIST; ABRAM SAGER, BOTANIST AND ZOOLOGIST, 1837; JOHN WRIGHT, STATE BOTANIST, 1838, ASSISTED BY GEORGE H. BULL [THIS SPECIES NOT INCLUDED IN THE PUBLISHED REPORT OF THE SURVEY. POSSIBLY COLLECTED BY HOUGHTON IN MICHIG+AN, 1837-1840. ; ]  =    [ 1319906 
{"catalogNumber": "1319906", "order": "Alismatales", "family": "", "scientificName": "", "scientificNameAuthorship": "E. Sheld.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1837", "habitat": "", "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 [This species not included in the published report of the Survey. Possibly collected by Houghton in Michigan, 1837-1840. ; ]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "unknown", "municipality": "", "locality": "No data provided on label of catalog no:1319906", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}