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": ""}
WALTER N. KOELZ H 4)      1925-08-06 8@QQL    D . erigeron  Greenland ZhtJ   145 8O |   <Ef 1538490 pursh O   compositus J_aI   !b+ ETAH     NO DATA *k     ~ Qaasuitsup  ASTERACEAE q8    G]  Dry slopes
{"catalogNumber": "1538490", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "Pursh", "genus": "Erigeron", "subgenus": "", "specificEpithet": "compositus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "145", "verbatimEventDate": "1925-08-06", "habitat": "Dry slopes", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Greenland", "stateProvince": "Qaasuitsup", "county": "no data", "municipality": "", "locality": "Etah", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}