Version | DOI | Comment | Publication Date |
---|---|---|---|
1 | 10.13012/B2IDB-7546972_V1 | 2016-11-28 |
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update: {"version_comment"=>[nil, ""], "subject"=>[nil, "Physical Sciences"]} | 2018-02-09T16:05:14Z |
update: {"description"=>["These shows the topography and relief of the Precambrian surface of the Cratonic Platform of the United States. ", "These show the topography and relief of the Precambrian surface of the Cratonic Platform of the United States. "]} | 2016-11-28T21:59:12Z |