Nubian Sandstone Formation (Sudan): Distribution and Typical Section: GEOLOGIC NOTESA. H. Medani (2), · AAPG Bulletin · 1975

Note on the Formation of the Industrial and Agricultural Research Section of the Royal Statistical SocietySupplement to the Journal of the Royal Statistical Society · 1934

Stratigraphy and Paleontology of the Upper Carboniferous Rocks of the Kansas Sectionby George I. Adams;Tabulated List of Invertebrate Fossils from the Carboniferous Section of Kansasby George H. Girty;Summary of the Fossil Plants Recorded from the Upper Carboniferous and Permian Formations of Kansasby David White;Notes on the Permian Formations of Kansasby Charles S. ProsserReview by: Charles R. Keyes · The Journal of Geology · 1906

May 26th; Notes Explanatory of a Map and Section Illustrating the Geological Structure of the Country Bordering on the Missouri River, from the Mouth of the Platte River to Fort Benton, in lat. 47° 30′ N., Long. 110° 30′ W.; Descriptions of New Species and Genera of Fossils, Collected by Dr. F. V. Hayden in Nebraska Territory, under the Direction of Lieut, G. K. Warren, U. S. Topographical Engineer; With Some Remarks on the Tertiary and Cretaceous Formations of the North-West, and the Parallelism of the Latter with Those of Other Portions of the United States and TerritoriesF. V. Hayden, F. B. Meek and J. P. Kirtland · Proceedings of the Academy of Natural Sciences of Philadelphia · 1857