Surficial Geology of Pennsylvania - Contacts
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资源简介：
Contact lines between surficial geologic units as shown by detailed reconnaissance mapping at 1:24,000 scale in parts of northeastern Pennsylvania. Data is added as new maps are prepared for publication. Features that have not yet been formally published will have “Provisional” in their STATUS attribute, while features that have been formally published will have a value of “Final.” Both the attributes and geometry of provisional features are subject to change.
创建时间：
2016-02-11
