The crinoid fauna of the Hampton formation at LeGrand, Iowa
Lowell Robert Laudon, B. H. Beane (Author)
University of Iowa studies, new ser., no. 345, v. 17, no. 6, vol. XVII, no. 6, no. 345. December 1, 1937
1 preliminary leaf, pages [227]-272 illustrations, plates XV-XIX. 24 cm
4704138