... 1872-[1901] The geology of Minnesota. Vol. I[-VI] of the final report...

Half-title: The University of Minnesota. A report on the geological and natural history survey of Minnesota; made in pursuance of an act of the legislature of the state, approved Mar. 1, 1872. Pub. by the authority of the state.

A. Geology and mineral paragenesis of the Pea Ridge Iron Ore Mine, Washington County, Missouri : origin of the rare-earth-element- and goldbearing breccia pipes /

Includes bibliographical references.

Geological reconnaissance of a portion of Algoma and Thunder bay districts, Ontario,

Appendices: I. Notes on some fossils from the Cambro-Silurian and Silurian rocks of the Albany river drainage system in northwestern Ontario, by J. F. Whiteaves.--II. Lists of insects, by J. F. Fletcher.

The paleontology of the Niagaran limestone in the Chicago area

Issued in parts, paged continuously.