- unitdate
-
{"value"=>"1961", "type"=>"inclusive", "normal"=>"1961"}
{"value"=>"1975", "type"=>"inclusive", "normal"=>"1975"}
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"Series III: Oversized Material"}
- scopecontent
-
{"value"=>"<p>Includes sketches and technical drawings.</p>"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"value"=>"2 boxes", "name"=>"extent"}], "supress_display"=>true}
- date_inclusive_start
-
1961
- date_inclusive_end
-
1975
- keydate
-
1961
- extent_statement
-
2 boxes
- unitid
-
{"type"=>"local_mss", "value"=>"712574"}
- date_start
-
1961
- date_end
-
1975