Big Bend National Park Big Beat Bigfoot Big Country

Big Bend National Park is a national park located in Texas, USA. For more than 1,000 miles (1600 km) the Rio Grande / Río BravoThis article is about the river to the Gulf of Mexico. See Rio Grande (disambiguation) for other meanings. For the movie Rio Bravo see Rio Bravo (movie). Big Bend National Park, Texas The Rio Grande (called the Rio Bravo or, more formally, the Rio Bravo d forms the international boundary between MexicoThis article is about the country Mexico. For other meanings, see Mexico (disambiguation The United Mexican States or Mexico ( Spanish: Estados Unidos Mexicanos or Mexico regarding the use of the variant spelling Mejico see section The name below) is a co and the United States; Big Bend National Park administers approximately one-quarter of that boundary.

Big Bend National Park has national significance as the largest protected area of Chihuahuan DesertThe Chihuahuan Desert is a desert mainly situated in much of central and southern New Mexico, Texas west of the Pecos River, the northern half of the Mexican state of Chihuahua and most of the Mexican state of Coahuila. The terrain mostly consists of basi topographyTopography a geography term, refers to the "lay of the land", or the physiogeographic characteristics of land in terms of elevation, slope, and orientation. Terrain is a similar term, used more to describe the land itself than the study of it. Topographic and ecologyEcology is the branch of science that studies the distribution and abundance of living organisms, and the interactions between organisms and their environment. The environment of an organism includes both its physical habitat, which can be described as th in the United States. The park covers 1252 mi² ( 3242 km²To help compare orders of magnitude of different geographical regions, we list here areas between 1,000 km² and 10,000 km². See also areas of other orders of magnitude. areas less than 1000 km² 1,000 km² is equal to: 1 E9 m² in scientific notation 100,000). Few areas exceed the park's value for the protection and study of geologicGeology (from Greek γ&eta ge "the earth") and λογος logos "word", "reason")) is the science and study of the Earth, its composition, structure, physical properties, history, and the processes that shape it. Geolog and paleontologicPaleontology (palaeontology is the British spelling) is the study of the developing history of life on earth, of ancient plants and animals based on the fossil record, evidence of their existence preserved in rocks. This includes the study of body fossils resources. Cretaceous and Tertiary fossil organisms exist in variety and abundance. Archeologists have discovered artifacts estimated to be 9,000 years old, historic buildings and landscapes offer graphic illustration of life along the international border at the turn of the century.

Because the Rio Grande serves as an international boundary the park faces unusual constraints when administering and enforcing park rules, regulations, and policies. The park has jurisdiction only to the center of the deepest river channel; the rest of the river lies within the Republic of Mexico.

South of the border lie the Mexican states of Chihuahua and Coahuila and the new protected areas for flora and fauna, which are comprised of regions known as the Maderas del Carmen and the Cañón de Santa Elena.

The park exhibits dramatic contrasts; its climate may be characterized as one of extremes. Dry and hot late spring and summer days often exceed 100° Fahrenheit (38° C) in the lower elevations. Winters are normally mild throughout the park but sub-freezing temperatures occasionally occur. Because of the range in altitude from approximately 1,800 feet (550 m) along the river to 7,800 feet (2400 m) in the Chisos Mountains, a wide variation in available moisture and in temperature exists throughout the park. These variations contribute to an exceptional diversity in plant and animal habitats.

The 118 river miles (190 km) that form the southern park boundary include the spectacular canyons of Santa Elena, Mariscal, and Boquillas. The Rio Grande, meandering through this portion of the Chihuahuan Desert, has cut deep canyons with nearly vertical walls through three uplifts comprised primarily of limestone. Throughout the open desert areas the highly productive Rio Grande riparian zone includes numerous plant and animal species and significant cultural resources. The vegetative belt extends into the desert along creeks and arroyos.

Cultural resources in the park range from the Paleo-Indian period 10,500 years ago through the historic period represented by Native American groups, such as the Chisos, Mescalero Apache, and Comanche. More recently, Spanish, Mexican, and Anglo settlers farmed, ranched, and mined in the area.

Throughout the prehistoric period, humans found shelter and maintained open campsites throughout the park. The archeological record reveals an Archaic-period desert culture whose inhabitants developed a nomadic hunting and gathering lifestyle that remained virtually unchanged for several thousand years.

The historic cultural landscape centers upon various subsistence or commercial land uses. The riparian and tributary environments were used for subsistence and irrigation farming. Transportation networks, irrigation structures, simple domestic residences and outbuildings, and planed and terraced farm land lining the stream banks characterize these landscapes.

1 History

During the early historic period (pre- 1535) several Indian groups were recorded as inhabiting the Big Bend. The Chisos Indians were a loosely organized group of nomadic hunters and gathers who probably practiced limited agriculture on a seasonal basis. The origin of the Chisos Indians is not known. Linguistically, they were associated with the Conchos Indians of northern Chihuahua and northwestern Coahuila. Their language group spoke a variation of Uto-Aztecan, a language whose speakers ranged from central Mexico to the Great Basin of the U.S. The Jumano was a nomadic group that travelled and traded throughout west Texas and southeastern New Mexico but some historic records indicate that they were enemies of the Chisos. Around the beginning of the 18th century, the Mescalero Apaches began to invade the Big Bend region and displaced the Chisos Indians. The last Indian group to use the Big Bend was the Comanches who passed through the park along the Great Comanche Trail on their way to and from periodic raids into the Mexican interior. These raids continued until the mid 19th century.

The Historic Era begins circa 1535 A.D. with the first Spanish explorations into this portion of North America. The expedition of Álvar Núñez Cabeza de Vaca passed near the Big Bend, and was followed by other expeditions in the search for gold and silver, farm and ranch land, and Indian slaves. In an attempt to protect the northern frontier of Mexico, a line of "presidios," or forts, was established along the Rio Grande in the late 1700s. The Presidio de San Vicente was built near present-day San Vicente , Coahuila, and the Presidio de San Carlos was built near present-day Manuel Benavides , Chihuahua. These presidios were soon abandoned, however, because of financial difficulties and because they could not effectively stop Indian intrusions into Mexico.

Very little study has been made of the Mexican occupation of the Big Bend following the abandonment of the Presidios. In 1805, the Mexican settlement called Altares existed 30 miles (50 km) south of the Rio Grande. Mexican families lived in the area when Anglo settlers began moving in following the secession of Texas during the latter half of the 19th century.

Following the Mexican-American War, which ended in 1848, military surveys were made of the uncharted land of the Big Bend. Military forts and outposts were established across Trans Pecos Texas to protect migrating settlers from the Indians. Around 1870, ranchers began to migrate into the Big Bend, and by 1900, sheep, goat, and cattle ranches occupied a majority of the landscape. The delicate desert environment, however, was soon overgrazed.

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The Sierra del Carmen mountains, a limestone uplift at the southern border of the park

In the early 20th century, the discovery of valuable mineral deposits brought more settlers who worked in the mines or supported the mines by farming or by cutting timber for use in the mines and smelters. Communities sprang up around the mines; development of Boquillas and Terlingua directly resulted from mining operations. During this period, the Rio Grande flood plain was settled by farmers. Settlements developed with names like Terlingua Abajo, San Vicente, Coyote and Castolon. These were often no more than clusters of families living and farming in the same area, and they were successful only to the degree that the land was able to support them.

In the 1930s many people who loved the Big Bend country saw that it was a land of unique contrast and beauty that was worth preserving for future generations. The State of Texas passed legislation to acquire land in the area which was to become the Texas Canyons State Park. In 1935, the Federal Government passed legislation that would enable the acquisition of the land for a national park. The State of Texas deeded the land that they had acquired to the Federal government, and on June 12, 1944, Big Bend National Park became a reality.

Note that as of January 2004 all border crossings within the park have been closed indefinitely and the border town of Boquillas, Coahuila, is almost deserted.

1 External links

National parks of the United States Texas

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Big Bend

Designation	National Park
Location	Texas USA
Nearest City	El Paso, Texas
Latitude	29° 15' N
Longitude	103° 15' W
Area	801,163 acres 324,219 ha
Date of Establishment	June 12, 1944
Visitation	306,641 (2003)
Governing Body	National Park Service
IUCN category	II (National Park)

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