- unitdate
-
{"value"=>"ca. 1975", "type"=>"inclusive", "certainty"=>"approximate", "normal"=>"1975"}
- date_inclusive_start
-
1975
- date_inclusive_end
-
1975
- unittitle
-
{"value"=>"Part I (Carbon)"}
- scopecontent
-
{"value"=>"<p>Incomplete, inlcudes part of Chapter 7 through Chapter 18.</p>"}
- container
-
{"type"=>"box", "value"=>"3"}
{"type"=>"folder", "value"=>"7-8"}
- unitid
-
{"type"=>"local_mss", "value"=>"722232"}
- date_start
-
1975
- date_end
-
1975
- keydate
-
1975