- unitid
-
{"value"=>"172176", "type"=>"local_mss"}
{"value"=>"1.25", "type"=>"local_call"}
- unitdate
-
{"value"=>"1906-1907", "type"=>"inclusive", "normal"=>"1906/1907"}
- unittitle
-
{"value"=>"Cananea Consolidated Copper Co., S.A. [Sonoro, Mexico] (L.D. Ricketts, T.W.S. Davidson)"}
- physdesc
-
{"format"=>"simple", "value"=>"3"}
- scopecontent
-
{"value"=>"<p>re: Stanton's report on Cananea and. photos of its installations and map of mineral holdings.</p>"}
- container
-
{"type"=>"box", "value"=>"1"}
- date_start
-
1906
- keydate
-
1906
- date_end
-
1907
- date_inclusive_start
-
1906
- date_inclusive_end
-
1907