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These water bodies include some of the largest and most ecologically productive coastal estuaries in the United States and contribute significantly to the ecological and economic resources of Texas. They are included in a number of national protected areas such as National Wildlife Refuges , a National Seashore , and a National Estuarine ...
Big Bend National Park is a national park of the United States located in West Texas, bordering Mexico. The park has national significance as the largest protected area of Chihuahuan Desert topography and ecology in the United States, [ 3 ] and was named after a large bend in the Rio Grande/Río Bravo . [ 4 ]
Palo Duro Canyon State Park: 1976: Armstrong, Randall: state/Texas Department of Parks and Wildlife Spectacular canyon that is an excellent example of a landform created by running water. Santa Ana National Wildlife Refuge: 1966
However, very little water exchange occurs at all; [10] every second only 25 cubic metres (6,600 US gal) of water flows into the lagoon. [12] Rainwater from tropical storms and hurricanes is the only significant fresh water the bay receives. The salinity is greatest in the Lower Laguna Madre, where it averages around 45 ppt. [10]
Padre Island National Seashore (PINS) is a national seashore administered by the National Park Service, located on Padre Island off the coast of South Texas, USA. In contrast to South Padre Island , known for its beaches and vacationing college students, PINS is located on the north end of Padre Island and consists of a long beach where nature ...
Shaded relief map of the Llano Estacado. Texas contains a wide variety of geologic settings. The state's stratigraphy has been largely influenced by marine transgressive-regressive cycles during the Phanerozoic, with a lesser but still significant contribution from late Cenozoic tectonic activity, as well as the remnants of a Paleozoic mountain range.
Palo Duro Canyon is a canyon system of the Caprock Escarpment located in the Texas Panhandle near the cities of Amarillo and Canyon. [2] A large canyon system in the south-central United States, it is roughly 25–40 mi (40–64 km) long and has an average width of 6 mi (9.7 km), but reaches a width of 20 mi (32 km) at places.
The National Park Service initially managed the site as the Amistad Recreation Area under a cooperative agreement with the International Boundary and Water Commission effective November 11, 1965. [11] Amistad was reauthorized as a national recreation area and NPS park unit on November 28, 1990. [11]