Title: Walcott's lower Cambrian olenellid trilobite collection 61K, Mount Robson area, Canadian Rocky Mountains
Subjects: Catalogs, Catalogs and collections, National Museum of Natural History (U.S.), Natural history collections, Paleontology, Trilobites, Trilobites - Canada - Rocky Mountains
Places: British Columbia, Region Robson, Mount, Washington (D.C.)
People: Charles D. Walcott (1850-1927)
Time periods: Cambrian