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2 submissions

Submissions within the EDX system encompass many different forms of data. This includes, but is not limited to, publications, files, apps, tools, or other resources that are data driven resources.

From the site: "Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map...
From the site: "Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map...