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The Hell Creek Formation is an intensively studied division of mostly Upper Cretaceous and some lower Paleocene rocks in North America, named for exposures studied along Hell Creek, near Jordan, Montana. The formation stretches over portions of Montana, North Dakota, South Dakota, and Wyoming. [1]
Fossil fruits from the Hell Creek Formation of Spinifructus antiquus of the palm family , closely related to the genus Astrocaryum. The plants of the Hell Creek Formation generally represent angiosperm-dominated riparian forests of variable diversity, depending on stratigraphic position and sedimentary environment.
Huerfano Butte (/ ˈ w ɛər f ə n oʊ /; Spanish pronunciation:) is a volcanic plug [5] or hypabyssal plug [6] located 8.8 miles (14.1 km) north of Walsenburg in Huerfano County, Colorado, United States.
Prehistoric fauna of the Hell Creek Formation— from its paleontological sites, located in North America. Pages in category "Hell Creek fauna" The following 84 pages are in this category, out of 84 total.
Kentucky developer Jimmy Harston put up the Hell is Real sign on I-71 between Cincinnati and Columbus nearly 20 years ago. Here's why he did it.
Survey markers, also called survey marks, survey monuments, or geodetic marks, are objects placed to mark key survey points on the Earth's surface. They are used in geodetic and land surveying . A benchmark is a type of survey marker that indicates elevation ( vertical position ).
Inside the rainforest biome in Biosphere 2 in 2009. One view of Biosphere 2 was that it was "the most exciting scientific project to be undertaken in the United States since President John F. Kennedy launched us toward the moon". [72] Others called it "New Age drivel masquerading as science". [73] John Allen and Roy Walford did have mainstream ...
Haidomyrmecinae, occasionally called hell ants, are an extinct subfamily of ants (Formicidae) known from Cretaceous fossils found in ambers of North America, ...