- unitid
-
{"value"=>"3259952", "type"=>"local_mss"}
{"value"=>"255781", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1989 June 14", "type"=>"inclusive", "normal"=>"1989-06-14"}
- unittitle
-
{"value"=>"VLF Demo Loop"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- scopecontent
-
{"value"=>"<p>Wind and bird sounds recorded by J. Olson, Geophysical Institute.</p>"}
- date_start
-
1989-06-14
- keydate
-
1989-06-14
- date_end
-
1989-06-14
- date_inclusive_start
-
1989
- date_inclusive_end
-
1989