Saenger, Walter. Florissant Fossil Beds National Monument : : window to the past / [electronic resource] / by Walter Saenger.. — Estes Park, Colo. : : Rocky Mountain Nature Association,, c1982.. — [10] p. : ill. (some col.) ; 23 cm. Cover title. Subjects--Topical Terms: Paleontology--Colorado.Paleontology--Tertiary. Subjects--Geographic Terms: Florissant Fossil Beds National Monument (Colo.) LC Class. No.: F782.F5 / S2