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 SurveyJon D. Inners · First published 1981Open the Tome
Geology and mineral resources of the Allenwood and Milton quadrangles, Union and Northumberland Counties, PennsylvaniaJon D. Inners · First published 1997Open the Tome
Silurian depositional history and Alleghanian deformation in the Pennsylvania valley and ridgeRichard P. Nickelsen, Edward Cotter, Jon D. Inners · First published 1983Open the Tome
Geology and mineral resources of the Bloomsburg and Mifflinville quadrangles and part of the Catawissa quadrangle, Columbia County, PennsylvaniaJon D. Inners · First published 1981Open the Tome
