Stream Flow Recors for the Water Year 1933/1934; 1933/1934Pennsylvania Dept of Forests and Wa, Geological Survey (U SHäftad177 kr
Stream Flow Recors for the Water Year 1935/1936; 1935/1936Pennsylvania Dept of Forests and Wa, Geological Survey (U SHäftad177 kr
Stream Flow Recors for the Water Year 1938/1939; 1938/1939Pennsylvania Dept of Forests and Wa, Geological Survey (U SInbunden339 kr
Stream Flow Recors for the Water Year 1925/1926; 1925/1926Pennsylvania Dept of Forests and Wa, Geological Survey (U SHäftad190 kr
Stream Flow Recors for the Water Year 1932/1933; 1932/1933Pennsylvania Dept of Forests and Wa, Geological Survey (U SHäftad177 kr
Stream Flow Recors for the Water Year 1927/1928; 1927/1928Pennsylvania Dept of Forests and Wa, Geological Survey (U SHäftad204 kr
Stream Flow Recors for the Water Year 1938/1939; 1938/1939Pennsylvania Dept of Forests and Wa, Geological Survey (U SHäftad177 kr
Stream Flow Recors for the Water Year 1921/1922; 1921/1922Pennsylvania Dept of Forests and Wa, Geological Survey (U SHäftad190 kr
Bulletin (Pennsylvania Department of Forests and Waters), No. 33-35; 33-35Pennsylvania Dept of Forests and WaHäftad190 kr
Stream Flow Recors for the Water Year 1932/1933; 1932/1933Pennsylvania Dept of Forests and Wa, Geological Survey (U SInbunden339 kr