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Geology and mineral resources of the Bloomsburg and Mifflinville quadrangles and part of the Catawissa quadrangle, Columbia County, Pennsylvania / by Jon D. Inners, Pennsylvania Geological Survey
Jon D. Inners · Pennsylvania, Bureau of Topographic and Geologic Survey
172 sayfa · 1981
Mines and mineral resources -- Pennsylvania -- Columbia County
Geology and mineral resources of the Bloomsburg and Mifflinville quadrangles and part of the Catawissa quadrangle, Columbia County, Pennsylvania
Jon D. Inners · Additional copies may be purchased from State Book Store
152 sayfa · 1981
Geology / Mines and mineral resources
Silurian depositional history and Alleghanian deformation in the Pennsylvania valley and ridge
Richard P. Nickelsen, Edward Cotter, Jon D. Inners · Field Conference of Pennsylvania Geologists, Bureau of Topographic and Geologic Survey
192 sayfa · 1983
Geology / Guidebooks / Stratigraphic Geology / Sedimentation and deposition