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Western Interior Seaway. The Western Interior Seaway (also called the Cretaceous Seaway, the Niobraran Sea, the North American Inland Sea, and the Western Interior Sea) was a large inland sea that split the continent of North America into two landmasses for 34 million years. The ancient sea, which existed from the early Late Cretaceous (100 Ma ...
The location of the state of New Mexico. Paleontology in New Mexico refers to paleontological research occurring within or conducted by people from the U.S. state of New Mexico. The fossil record of New Mexico is exceptionally complete and spans almost the entire stratigraphic column. [1] More than 3,300 different kinds of fossil organisms have ...
Mancos Shale (Colorado) Show map of the United States Show map of Colorado Show all. The Mancos Shale or Mancos Group is a Late Cretaceous (Upper Cretaceous) geologic formation of the Western United States. The Mancos Shale was first described by Cross and Purington in 1899 [1] and was named for exposures near the town of Mancos, Colorado.
National Park rangers call out ‘world changing’ impact of dropped Cheetos bag. Plain water is the only thing visitors are allowed to consume inside the huge cavern at Carlsbad Caverns National ...
For more CNN news and newsletters create an account at CNN.com. A stretch of uninhabited, low-lying reefs in the South China Sea is fast becoming a dangerous new flashpoint between China and the ...
The springs are located in the city of San Marcos, Texas, about 30 miles (48 km) southwest of Austin and 46 miles (74 km) northeast of San Antonio. Although Spring Lake is highly protected, it is accessible to visitors through the Meadows Center for Water and the Environment , a program of Texas State University , which offers glass-bottom boat ...
It has flooded and dried eight times between 1824 and 1905. In 1540 Spanish explorer Diaz was in the area, and by 1700 to 1750 the lake had infilled. Presently there is a "high ground" in Northern Mexico, of 23 feet, or 6+m. Thus a ship of 8 foot draft would need to have an additional 30 feet of water, above "sea level".
The Meadows Center for Water and the Environment, formerly Aquarena Springs and later the Aquarena Center, is an educational center in San Marcos, Texas. It seeks to preserve the unique archeological and biological resources of Spring Lake. Formed from more than 200 artesian springs, Spring Lake is one of the world's largest aquifer fed systems.