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Publication Extents

Not all publications have extents, not all extents are completely accurate
Extent and frequency of inundation on the Perkiomen Creek flood plain from Green Lane Reservoir to the Schuylkill River (near Oaks, Pennsylvania)
William F. Busch
1969, Open-File Report 69-29
This is the fourth report on the extent and frequency of inundation prepared for the Delaware River Basin Commission. The first of these reports covered floods on the Delaware River in the vicinity of Easton, Pennsylvania and Phillipsburg, New Jersey. The second covered a reach of the Schuylkill River from...
Sedimentary rocks of the coast of Liberia
Richard William White
1969, Open-File Report 69-318
Two basins containing sedimentary rocks o# probable Cretaceous age have been recognized near the coast of Liberia in the area between Monrovia and Buchanan; geophysical evidence suggests that similar though larger basins exist on the adjacent continental shelf. The oldest sedimentary unit recognized, the Paynesville Sandstone of possible early to...
Geology of the Mackay 30-minute quadrangle, Idaho
Willis H. Nelson, Clyde Polhemus Ross
1969, Open-File Report 70-242
The Jefferson Dolomite, Grand View Dolomite, and Three Forks Limestone, all of Devonian age, are the oldest rocks exposed in the quadrangle. Rocks that range from Mississippian to Permian in age are widespread; they are represented by the White Knob Limestone in the eastern part of the quadrangle and the...