The Copper-bearing Rocks of Lake Superior / by Roland Duer IrvingRoland Duer Irving · First published 2015Open the Tome
Greenstone Schist Areas of the Menominee and Marquette Regions of MichiganGeorge Huntington Williams, Roland Duer Irving · First published 2018Open the Tome
Observations On the Junction Between the Eastern Sandstone and the Keweenaw Series On Keweenaw Point, Lake SuperiorThomas Chrowder Chamberlin, Roland Duer Irving · First published 2018Open the Tome
The Penokee iron-bearing series of Michigan and WisconsinRoland Duer Irving · First published 1892Open the Tome
On the Classification of the Early Cambrian and Pre-Cambrian FormationsRoland Duer Irving · First published 1888Open the Tome
Observations on the junction between the Eastern Sandstone and the Keweenaw Series on Keweenaw Point, Lake SuperiorRoland Duer Irving · First published 1885Open the Tome
Preliminary paper on an investigation of the Archaean formations of the northwestern statesRoland Duer Irving · First published 1885Open the Tome
Atlas of the geological survey of WisconsinChamberlin, Thomas C., Roland Duer Irving, Moses McCure Strong · First published 1882Open the Tome
On the age of the quartzites, schists and conglomerates of Sauk county, WisconsinRoland Duer Irving · First published 1872Open the Tome
