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": ""}
    70-35 Po   t FH populus 43.11315 9 _]   j~F MICHIGAN   K,2z populus deltoides subsp. deltoides   6i 1970-07-04  v%! John Merkle    T salicaceae  ALONG SMALL LAKE P_x      gE deltoides      
{"catalogNumber": "", "order": "", "family": "Salicaceae", "scientificName": "Populus deltoides subsp. deltoides", "scientificNameAuthorship": "", "genus": "Populus", "subgenus": "", "specificEpithet": "deltoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Merkle", "recordNumber": "70-35", "verbatimEventDate": "1970-07-04", "habitat": "Along small lake", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "43.11315", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}