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1
A lithostratigraphic, petrographic and chemical investigation of the Lower Middle Ordovician carbonate rocks in central Pennsylvania, by Morris Rones .
by Rones, Morris, 1922-1965
Harrisburg [Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969

Book
2
Ordovician carbonate rocks near Bellefonte, Pennsylvania /
by Swartz, Frank M. (Frank McKim), 1899-1982
College Park, Pa. : Pennsylvania State University, 1959

This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Book
3
A lithostratigraphic, petrographic, and chemical investigation of the Lower Middle Ordovician carbonate rocks in central Pennsylvania.
by Rones, Morris, 1922-1965
Harrisburg : Pennsylvania Bureau of Topographic and Geologic Survey, 1969

Book
4
A lithostratigraphic, petrographic, and chemical investigation of the Lower Middle Ordovician carbonate rocks in central Pennsylvania.
by Rones, Morris, 1922-1965
Harrisburg, [publisher not identified], 1969

This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Book
7
A lithostratigraphic, petrographic, and chemical investigation of the Lower Middle Ordovician carbonate rocks in central Pennsylvania /
by Rones, Morris, 1922-1965
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1969

Government Document Book
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