R
Roland Duer Irving
1847 – 1888
6 works on record
Works

The Penokee iron-bearing series of Michigan and Wisconsin

The copper-bearing rocks of lake Superior
Observations on the junction between the Eastern Sandstone and the Keweenaw Series on Keweenaw Point, Lake Superior
Observations on the junction between the Eastern Sandstone and the Keweenaw Series on Keweenaw Point, Lake Superior
1885
Atlas of the geological survey of Wisconsin
Atlas of the geological survey of Wisconsin
On the age of the quartzites, schists and conglomerates of Sauk county, Wisconsin
On the age of the quartzites, schists and conglomerates of Sauk county, Wisconsin
Preliminary paper on an investigation of the Archaean formations of the northwestern states
Preliminary paper on an investigation of the Archaean formations of the northwestern states