Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Mesa Verde National Park' has mentioned 'Region' in the following places:
Occurrence Sentence Text Source
The variety of projectile points found in the region indicates they were influenced by surrounding areas, including the Great Basin, the San Juan Basin, and the Rio Grande Valley.
The first occupants of the Mesa Verde region, which spans from southeastern Utah to northwestern New Mexico, were nomadic Paleo-Indians who arrived in the area c.xe2x80x899500 BC.
Although they left evidence of their presence throughout the region, there is little indication that they lived in central Mesa Verde during this time.
Development of the atlatl during this period made it easier for them to hunt smaller game, a crucial advance at a time when most of the region's big game had disappeared from the landscape.
They inhabited the outlying areas of the Mesa Verde region, but also the mountains, mesa tops, and canyons, where they created rock shelters and rock art, and left evidence of animal processing and chert knapping.
With the introduction of corn to the Mesa Verde region c.xe2x80x891000 BC and the trend away from nomadism toward permanent pithouse settlements, the Archaic Mesa Verdeans transitioned into what archaeologists call the Basketmaker culture.
[12] Ceramic vessels were a major improvement over pitch-lined baskets, gourds, and animal hide containers, which had been the primary water storage containers in the region.
Beans and new varieties of corn were introduced to the region c.
[23] The beginning of the 10th century saw widespread depopulation of the region, as people emigrated south of the San Juan River to Chaco Canyon in search of reliable rains for farming.
[24] As Mesa Verdeans migrated south, to where many of their ancestors had emigrated two hundred years before, the influence of Chaco Canyon grew, and by 950 Chaco had supplanted Mesa Verde as the region's cultural center.
[19] At this time, Mesa Verdeans began to move away from the post and mud jacal-style buildings that marked the Pueblo I Period toward masonry construction, which had been utilized in the region as early as 700, but was not widespread until the 11th and 12th centuries.
[29] During the early 12th century, the locus of regional control shifted away from Chaco to Aztec, New Mexico, in the southern Mesa Verde region.
[24][b] By 1150, drought had once again stressed the region's inhabitants, leading to a temporary cessation of great house construction at Mesa Verde.
The Chacoan system brought large quantities of imported goods to Mesa Verde during the late 11th and early 12th centuries, including pottery, shells, and turquoise, but by the late 12th century, as the system collapsed, the amount of goods imported by the mesa quickly declined, and Mesa Verde became isolated from the surrounding region.
[30] Most of the people in the region lived in the plains west of the mesa at locations such as Yellow Jacket Pueblo, near Cortez, Colorado.
The 13th century saw 69 years of below average rainfall in the Mesa Verde region, and after 1270 the area suffered from especially cold temperatures.
[41] There was a major decline in ceramic imports to the region during this time, but local production remained steady.
[30] Civic leaders in the region likely attained power and prestige by distributing food during times of drought.
Evidence of violence and cannibalism has been documented in the central Mesa Verde region.
[49][c] While most of the violence, which peaked between 1275 and 1285, is generally ascribed to in-fighting amongst Mesa Verdeans, archaeological evidence found at Sand Canyon Pueblo, in Canyons of the Ancients National Monument, suggests that violent interactions also occurred between Mesa Verdeans and people from outside the region.
[51] The archaeological record indicates that, rather than being isolated to the Mesa Verde region, violent conflict was widespread in North America during the late 13th and early 14th centuries, and was likely exacerbated by global climate changes that negatively affected food supplies throughout the continent.
The Mesa Verde region saw unusually cold and dry conditions during the beginning of the 13th century.
[53] The region's bimodal precipitation pattern, which brought rainfall during spring and summer and snowfall during autumn and winter, began to fail post-1250.
[30] Many smaller communities in the Four Corners region were also abandoned during this period.
[54][55] The Ancestral Puebloans had a long history of migration in the face of environmental instability, but the depopulation of Mesa Verde at the end of the 13th century was different in that the region was almost completely emptied, and no descendants returned to build permanent settlements.
An estimated 20,000 people lived in the region during the 13th century, but by the start of the 14th century the area was nearly uninhabited.
[63] While archaeologists tend to focus on the "push" factors that drove the Mesa Verdeans away from the region, there were also several environmental "pull factors", such as warmer temperatures, better farming conditions, plentiful timber, and bison herds, which incentivized relocation to the area near the Rio Grande.
Although Chaco Canyon might have exerted regional control over Mesa Verde during the late 11th and early 12th centuries, most archaeologists view the Mesa Verde region as a collection of smaller communities based on central sites and related outliers that were never fully integrated into a larger civic structure.
[66] Several ancient roads, averaging 15 to 45 feet (4.6 to 13.7xc2xa0m) wide and lined with earthen berms, have been identified in the region.
Ancestral Puebloan shrines, called herraduras, have been identified near road segments in the region.
Several great houses in the region were aligned to the cardinal directions, which positioned windows, doors, and walls along the path of the sun, whose rays would indicate the passing of seasons.
Hot rocks dropped into containers could bring water to a brief boil, but because beans must be boiled for an hour or more their use was not widespread until after pottery had disseminated throughout the region.
Scholars are divided as to whether pottery was invented in the Four Corners region or introduced from the south.
Repeated uses rendered these bowls hard and impervious to water, which might represent the first fired pottery in the region.
[88] There is no evidence of ancient pottery markets in the region, but archaeologists believe that local potters exchanged decorative wares between families.
Cooking pots made with crushed igneous rock tempers from places like Ute Mountain were more resilient and desirable, and Puebloans from throughout the region traded for them.
[90][i] Evidence that pottery of both types moved between several locations around the region suggests interaction between groups of ancient potters, or they might have shared a common source of raw materials.
Rock art is found throughout the Mesa Verde region, but its dispersion is uneven and periodic.
Common motifs in the rock art of the region include anthropomorphic figures in procession and during copulation or childbirth, handprints, animal and people tracks, wavy lines, spirals, concentric circles, animals, and hunting scenes.
[98] As the region's population plummeted during the late 13th century, the subject of Mesa Verdean rock art increasingly shifted to depictions of shields, warriors, and battle scenes.
Starting during the late Pueblo II period (1020) and continuing through Pueblo III (1300), the Ancestral Puebloans of the Mesa Verde region created plaster murals in their great houses, particularly in their kivas.
The region's precipitation pattern is bimodal, meaning agriculture is sustained through snowfall during winter and autumn and rainfall during spring and summer.
They reached Mesa Verde (green plateau) region, which they named after its high, tree-covered plateaus, but they never got close enough, or into the needed angle, to see the ancient stone villages.
The Mesa Verde region has long been occupied by the Utes, and an 1868 treaty between them and the United States government recognized Ute ownership of all Colorado land west of the Continental Divide.
[117][116] Among the people who stayed with the Wetherills and explored the cliff dwellings was mountaineer, photographer, and author Frederick H. Chapin, who visited the region during 1889 and 1890.
In 1889, Goodman Point Pueblo became the first pre-Columbian archaeological site in the Mesa Verde region to gain federal protection.