Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Chaco Culture' has mentioned 'Chaco Canyon' in the following places:
Occurrence Sentence Text Source
Between AD 900 and 1150, Chaco Canyon was a major center of culture for the Ancestral Puebloans.
Chaco Canyon lies within the San Juan Basin, atop the vast Colorado Plateau, surrounded by the Chuska Mountains to the west, the San Juan Mountains to the north, and the San Pedro Mountains to the east.
Summer thunderstorms over Fajada Butte and the Fajada Gap, near the southwestern rim of Chaco Canyon
A sandy and swampy coastline oscillated east and west, alternately submerging and uncovering the area atop the present Colorado Plateau that Chaco Canyon now occupies.
Chaco Canyon lies on the leeward side of extensive mountain ranges to the south and west, resulting in a rainshadow effect that fosters the prevailing lack of moisture in the region.
Orographic precipitation, which results from moisture wrung out of storm systems ascending the mountain ranges around Chaco Canyon, is responsible for most of the summer and winter precipitation, and rainfall increases with higher elevation.
[21] More than 70 campsites from this period, carbon-dated to the period 7000xe2x80x931500 BC and mostly consisting of stone chips and other leavings, were found in Atlatl Cave and elsewhere within Chaco Canyon, with at least one of the sites located on the canyon floor near an exposed arroyo.
[22] They left little evidence of their presence in Chaco Canyon.
A small population of Basketmakers remained in the Chaco Canyon area.
The modern Navajo Nation lies west of Chaco Canyon, and many Navajo live in surrounding areas.
The first documented trip through Chaco Canyon was an 1823 expedition led by New Mexican governor Josxc3xa9 Antonio Vizcarra when the area was under Mexican rule.
[39] The American trader Josiah Gregg wrote about the ruins of Chaco Canyon, referring in 1832 to Pueblo Bonito as "built of fine-grit sandstone".
[46] The Act also authorized the President to establish national monuments: on March 11, 1907, Theodore Roosevelt proclaimed Chaco Canyon National Monument.
In 1920, the National Geographic Society began an archaeological examination of Chaco Canyon and appointed Neil Judd, then 32, to head the project.
In his memoirs, Judd noted dryly that "Chaco Canyon has its limitations as a summer resort".
In 1949, the University of New Mexico deeded over adjoining lands to form an expanded Chaco Canyon National Monument.
NPS site maps of the major ruins of Chaco Canyon
Pueblo Bonito, largest of the great houses, abuts the foot of Chaco Canyon's northern rim.
Pueblo Alto is a great house of 89 rooms located on a mesa top near the middle of Chaco Canyon, 0.6 miles (1xc2xa0km) from Pueblo Bonito; it was begun between AD 1020 and 1050 during a wider building boom throughout the canyon.
Hungo Pavi, near the center of Chaco Canyon.
[7][63] Some 60 miles (97xc2xa0km) directly south of Chaco Canyon, on the Great South Road, lies another cluster of outlying communities.
[10][64] Chaco Canyon, Aztec Ruins, Salmon Ruins, and Casamero Pueblo are on the Trail of the Ancients Scenic Byway.
Around 200,000 pieces of turquoise have been excavated from the ruins at Chaco Canyon.
Chaco Canyon Ancestral Puebloan lapidary tool kit, NPS
Around 200,000 pieces of turquoise have been excavated from the ruins at Chaco Canyon,[69] and workshops for local manufacture of turquoise beads have been found.
This 11th century pictograph at Chaco Canyon may depict the supernova of AD 1054 This supernova and the Moon were in this configuration when the supernova was near its brightest.
And this would be ... the center place.xe2x80x94xe2x80x89Phillip Tuwaletstiwa, U.S. National Geodetic Survey, The Mystery of Chaco Canyon.
Criterion (iii): The Chaco Canyon sites graphically illustrate the architectural and engineering achievements of the Chacoan people, who overcame the harshness of the environment of the southwestern United States to found a culture that dominated the area for more than four centuries.
The property is comprised of the acreage to which the federal government had surface title in 1987 located within seven components: Chaco Canyon, formerly a National Monument (1907) and now Chaco Culture National Historical Park (1980); Aztec Ruins, a National Monument (1923, expanded in 1928, 1930, 1948, 1988); and five Chaco Culture Archaeological Protection Sites (1980).
The inclusion of Chaco Canyon and Aztec Ruins in the National Park system gives them the highest possible level of protection, and assures them a high standard of interpretation and public access.