Geological Society of America Bulletin · 1909 · 39 citations · 0 references
Life SciencesEcologyZoologyOrnithologyPalynologyTaphonomyFern DistributionFern DiversityFern EcologyFern EvolutionFern SystematicsFern TaxonomyFern EndemismFern Fossil Ferns
Still farther south these beds are exposed in the Mississippi River bluffs in the northern portion of Saint Genevieve county, Missouri