Gordon, C. H.
—Observations on the Keokuk Species of Agaricocrinus. 7 pp., 1 pl.—Am. Geol., May, 1890.
—On the Brecciated Character of the St. Louis Limestone. 9 pp., 2 pl.—Am. Nat., April, 1890.
—Proceedings of the Iowa Academy of Sciences for 1887, 1889, 1889. 101 pp.
—Quaternary Geology of Keokuk, Iowa, with Notes on the Underlying Rock Structure. 8 pp., 2 pl.
Grant, Uly. S.
—Notes on the Molluscan Fauna of Minnesota. 4 pp.—16th An. Rept. Geol. and Nat. Hist. Survey, Minn. (1887).
—Account of a Deserted Gorge of the Mississippi near Minnehaha Falls. 6 pp., 1 pl.
—Conchological Notes. 12 pp.—14th An. Rept. Geol. and Nat. Hist. Survey, Minn.
—The Stratigraphical Position of the Ogishke Conglomerate of Northeastern Minnesota. 8 pp.—Am. Geol. Vol. X, July, 1892.