Evolution and biogeography of the Cenomanian (Upper Cretaceous) ammonite Metoicocveras Hyatt, 1903, with a revision of Metoicoceras praecox Haas, 1949.
1991. US Geological Survey Bulletin 1934-B; iii, 11 pp. 3 figs. 6 plts. h.t. Orig. wrps. with libr. ticket, very good, 4to.
Stratigraphy and paleontology of Mid-Cretaceous rocks in Minnesota and contiguous areas.
1983. United States Geological Survey Prof. Pap. 1253; 52 pp. 20 fig. 15 plts. h.t. with molluscs, mostly ammonites. Orig. wrps. libr. ticket taped to corner of front cover, 4to.
Stratigraphy and ammonite fauna of the Graneros Shale and Greenhorn Limestone near Pueblo, Colorado.
1972. United States Geological Survey Prof. Pap. 645; 108 pp. 52 fig./phot. 39 plts. h.t. with ammonites, 2 fold. plts. with columnar sections loosely inserted. Plain wrps. contents very good, 4to.
Variation and ontogeny of Calycoceras (Proeuclaicoceras) canitaurinum (Haas, 1949) from the Upper Cretaceous (Cenomanian) of the Western Interior of the United States.
1990. US Geological Survey Bulletin 1881, B; iii, 7 pp. 4 plts. h.t. Orig. extract, stapled, very good, 4to.