Geologic Unit: Pleasant Hill
Pleasant Hill Limestone (PA*)
Pleasant Hill Formation (PA)
Pleasant Hill church, 1 mile northwest of Henrietta, in southeast corner of Blair Co., PA (Butts, 1918).
Unit Name History:
Named (Butts, 1918). Age changed (Butts, 1945). Revised (Gray and others, 1960). Overview (Berg and others, 1980).
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Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.
"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().
Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).
U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
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Last modified: 15-Jan-2013