Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Chaco Culture' has mentioned 'Ruins' in the following places:
Occurrence Sentence Text Source
Containing the most sweeping collection of ancient ruins north of Mexico, the park preserves one of the most important pre-Columbian cultural and historical areas in the United States.
Contents 1 Geography 2 Geology 3 Climate 4 Flora and fauna 5 History 5.1 Archaicxe2x80x93Early Basketmakers 5.2 Ancestral Puebloans 5.3 Athabaskan succession 5.4 Excavation and protection 6 Management 7 Sites 7.1 Central canyon 7.2 Outliers 8 Ruins 8.1 Great houses 8.2 Uses 9 Archaeoastronomy 9.1 Sun Dagger 9.2 Alignments 10 Gallery 11 See also 12 Notes 13 Citations 14 References 15 Sources 16 Further reading 17 External links
He noted several large ruins in the canyon.
In 1849, a U.S. Army detachment passed through and surveyed the ruins, following United States acquisition of the Southwest with its victory in the Mexican War in 1848.
Directly north are communities even more remote: Salmon Ruins and Aztec Ruins, sited on the San Juan and Animas Rivers near Farmington, were built during a thirty-year wet period commencing in 1100.
[10][64] Chaco Canyon, Aztec Ruins, Salmon Ruins, and Casamero Pueblo are on the Trail of the Ancients Scenic Byway.
Ruins[edit]
Around 200,000 pieces of turquoise have been excavated from the ruins at Chaco Canyon.
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.
It includes Chaco Culture National Historical Park, the associated sites at Aztec Ruins National Monument, and five additional protected archaeological areas.
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.