- unitdate
-
{"value"=>"1956-1966", "type"=>"inclusive", "normal"=>"1956/1966"}
- date_inclusive_start
-
1956
- date_inclusive_end
-
1966
- unittitle
-
{"value"=>"Conservation and Environmental Problems"}
- container
-
{"type"=>"box", "value"=>"148"}
{"type"=>"folder", "value"=>"8"}
- note
-
{"type"=>"did", "value"=>" See also: Trips: To Western U. S. "}
- unitid
-
{"type"=>"local_mss", "value"=>"390159"}
- date_start
-
1956
- date_end
-
1966
- keydate
-
1956