Originator:Pennsylvania Bureau of Topographic and Geologic Survey, Dept. of Conservation and Natural Resources
This polygon feature class is a digital representation of physiographic sections of Pennsylvania. It is a result of visual interpretation of the topography of Pennsylvania as illustrated by 20-feet countour intervalls on 1:50,000 scale county-size topographic maps. There has been no field investigation or aerial photograph interpretation involved in the production of this dataset. The feature class has the attribute field called "PHYSNO", assigned as a unique number identifier. The number represents two steps in the units hierarchy (province-section) and has been padded to 14 character length for all records.
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