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": ""}
[a 1966 aerial photo shows an old field w of horner woods in the mclaughlin tract. approx. coordinates are for the w edge of the woods] e   TILIA CK   %_4  WASHTENAW  4 1221443   t  <H Malvales michigan ?T~&N   d4 -83.672 AMERICANA P8Y   Overhanging field With Quercus alba and Quercus rubra. DU&!   & r(  [IN SOU,TH HALF SEC. 12, (T2S, R6E)]  s.n. 3   k 197006-19 Sylvia M. Taylor J    Kc Malvaceae  EDWARD G. VOSS Y#D  Tilia americana @?(    z 42.3234  united states b    HORNER WOODS: [ANN ARBOR TOWNSHIP.] WESTERN EDGE OF WOODS. mhO]    x_^- l.
{"catalogNumber": "1221443", "order": "Malvales", "family": "Malvaceae", "scientificName": "Tilia americana", "scientificNameAuthorship": "L.", "genus": "Tilia", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Sylvia M. Taylor", "recordNumber": "s.n.", "verbatimEventDate": "1970-06-19", "habitat": "Overhanging field. With Quercus alba and Quercus rubra.", "occurrenceRemarks": "[A 1966 aerial photo shows an old field W of Horner Woods in the McLaughlin tract. Approx. coordinates are for the W edge of the woods]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Horner Woods: [Ann Arbor Township.] Western edge of woods.", "decimalLatitude": "42.3234", "decimalLongitude": "-83.6728", "verbatimCoordinates": "[in south half sec. 12, (T2S, R6E)]", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}