... 1872-[1901] the Geology of Minnesota. Vol. I[-Vi] of the Final Report..

Vol. 1; v.3, pts. 1-2, printed in Minneapolis Several plates accompanied by leaf with descriptive letterpress N. H. Winchell, State Geologist 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 Review of earlier literature on Lower Silurian fauna in the upper Mississippi Valley: v. 3, pt. 1, p. x-xlix Bibliography of Minne