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Mission 66
Mission 66 was a United States National Park Service ten-year program that was intended to dramatically expand Park Service visitor services by 1966, in time for the 50th anniversary of the establishment of the Park Service. When the National Park Service was created in 1916, long-distance travel in North America was typically accomplished by train. There was no national road system, and airline travel was in its infancy. Railroads were closely involved in the development of visitor services at such parks as Grand Canyon National Park, Glacier National Park and Yellowstone National Park, and in many cases the railroads built and operated park visitor facilities. With the development of the US highway system as a public works project during the Great Depression, many previously remote parks became accessible via good roads and inexpensive automobiles. The explosion in prosperity following World War II brought a tide of automobile-borne tourists that the parks were ill-equippe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dinosaur Quarry VC NPS1
Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic Geological period, period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the #Evolutionary history, evolution of dinosaurs is a subject of active research. They became the dominant terrestrial vertebrates after the Triassic–Jurassic extinction event 201.3 mya and their dominance continued throughout the Jurassic and Cretaceous periods. The fossil record shows that birds are feathered dinosaurs, Evolution of birds, having evolved from earlier Theropoda, theropods during the Late Jurassic epoch, and are the only dinosaur lineage known to have survived the Cretaceous–Paleogene extinction event approximately 66 mya. Dinosaurs can therefore be divided into avian dinosaurs—birds—and the extinct non-avian dinosaurs, which are all dinosaurs other than birds. Dinosaurs are varied from taxonomy (biology), taxonomic, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
