Archaeologists have uncovered a second ancient village in Arizona's Petrified Forest National Park that is 1,300 years old. 
 
 The latest basket-maker village dates between 200 A.D. and 700 A.D., based on the types of pottery found, according to Bill Reitze, the park's archaeologist. It was discovered this summer, following the first discovery last year of similar slab-lined pit-houses. 
 
 These are dwelling structures dug into the ground unique to the Southern Colorado Plateau and found throughout the park, but not often in these high concentrations, Reitze said. 
 
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 Both of the large basket-maker sites are in neighboring, stabilized sand dunes less than a kilometer apart, Reitze said. The discoveries were made as part of an expansion project that has doubled the park's size after Congress passed the Petrified Forest National Park Expansion Act of 2004. 
 
 "There are not a lot of national parks that have the opportunity to get bigger like this to protect sites and produce future research," Reitze told ABC News. "A lot of archaeology happens in response to development. What makes this unique is new sites are discovered, research [is] being done and all these sites are being protected, all at once." 
 
 The artifacts are primarily stone tools, including spear points, scrapers and knives, made out of petrified wood, shells and small early ceramics. Last year, ruins of a multi-story house were discovered that may have been part of a trade network. 
 
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 "It’s really interesting because it really allows us to see on a larger scale things we’ve noticed in other areas in the park," Reitze said. 
 
 The park is split between Navajo and Apache counties. 
 
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 Reitze said he plans to record additional discoveries and date what they've found with radiocarbon. 
 
 One of Reitze's colleagues will be conducting an ethno-botanical study to analyze prehistoric sites. 
 
 "Because the park is doubling in size, we are finding something every day -- certainly not like these sites, but we are finding things every day," he said. ||||| Thursday, October 02, 2014 
 
 PETRIFIED NATIONAL FOREST PARK, ARIZONA—Two villages estimated to be 1,300 years old have been discovered in the high desert of northern Arizona. The sites, recently acquired by Petrified Forest National Park, feature walls and floors lined with slabs of sandstone. “Last year we found a large habitation site, and this summer we found a match, less than a mile away, a site that has dozens and dozens of different features. We have now two large groups of pit house structures, both of them with probably more than 50 structures associated with them,” park archaeologist William Reitze told Western Digs. He and his team also recovered ceramics and stone points from the late Basketmaker period, when the residents of the village were transitioning from nomadic foraging to a more sedentary society based upon agriculture. “These sites are often in large sand dunes, but there is no rock there. So any kind of slab at all that you find out there was brought in by people,” Reitze explained. To read more about the prehistory of the Southwest, see ARCHAEOLOGY's "Who Were the Anasazi?" ||||| Archaeologists exploring the high desert of northern Arizona have found a pair of “matching” villages that date back some 1,300 years, revealing evidence of a crucial phase in Southwestern prehistory. 
 
 Researchers found the two large settlements — about a kilometer apart from each other — while surveying ranch land recently acquired by Petrified Forest National Park. 
 
 For the past two summers, park archaeologist William Reitze and his colleagues have been exploring the new lands to see what clues they hold about the distant past. 
 
 Last year, among some grass-covered sand dunes, they found traces of a large settlement, with 50 to 75 structures ranging in size from storage cists to pithouses. 
 
 Most of the features had walls and floors lined with slabs of sandstone, an architectural style unique to the region, even though there’s no stone to be found around the village. 
 
 This summer, Reitze and his team returned to find another ancient village in dunes nearby, constructed in about the same size, and with the same distinct features. 
 
 “Last year we found a large habitation site, and this summer we found a match, less than a mile away, a site that has dozens and dozens of different features,” Reitze said. 
 
 “We have now two large groups of pithouse structures, both of them with probably more than 50 structures associated with them.” 
 
 In addition to the distinctive sandstone architecture, both sites turned up fragments of brown ceramics and stone points that are indicative of the late Basketmaker period, a cultural phase that prefigured the Ancestral Puebloans who went on to build the monuments of Chaco Canyon and Mesa Verde. 
 
 Indeed, last year’s survey of the ranch revealed ruins of a multistory great house that was likely part of the cultural and trade network based in Chaco Canyon. [Read about last year’s discovery: “‘Impressive’ Pueblo Great House, Dozens of Ruins Found in Petrified Forest National Park“] 
 
 But the two newfound villages date back to a key phase before that time — to the Basketmakers’ transition, around the year 700, from nomadic foraging to a more sedentary, agricultural, and complex society. 
 
 The evidence is less in the artifacts, Reitze said, than in the sheer size of the communities that only an agricultural lifestyle could justify, and support. 
 
 “These sites are often in large sand dunes, but there is no rock there,” he said. “So any kind of slab at all that you find out there was brought in by people. 
 
 “So they’re investing more in building structures,” he explained. “There are more folks in the same place. They’re maintaining these structures for longer periods of time. 
 
 “They’re probably also making that investment in the landscape, with agricultural fields, water control features — you’re seeing more investment like that.” [Read about a similar discovery in Colorado: “1,500-Year-Old Village, A Sign of ‘Revolution’ in the Southwest, Excavated in Colorado“] 
 
 Adding to the discovery is yet another, smaller site the team found just north of the other two, built in the same sandstone-lined style but without any sign of pottery, suggesting that it predates the use of ceramics. 
 
 “In these pre-ceramic sites, we’re seeing the same kind of thing,” he said. “We’re seeing these slab-lined features show up, we’re just not finding any ceramics associated with them. 
 
 “So then the implication would be that these are a little earlier, and they probably relate to someone who’s doing a very similar kind of lifestyle [as in the late Basketmaker sites], but they haven’t begun to incorporate ceramics into that yet.” 
 
 The question, he said, is exactly how all these sites fit together in time. 
 
 “Of course, with pithouses the difficulty is always whether or not they were occupied at the same time, or whether they represent something else. 
 
 “So are they multiple occupation events, or were they all occupied at the same time? That’s something that would require more excavation work, which is something we’d love to do in the future.” 
 
 For now, Reitze and his team are working on securing radiocarbon dates for the sites, and weighing options for possible future excavations. 
 
 The answers from these and other investigations could shed light on the history of what Reitze says was one of the ancient Southwest’s most important crossroads. 
 
 “What’s really unique about Petrified Forest is that we sit in this major transportation corridor,” he said. 
 
 “We have the Rio Puerco running through, and we have the Little Colorado to our south. That’s why we have these large habitation sites that are probably associated with Chaco Canyon. It’s because we sit on this corridor. 
 
 “If you were to go back and forth between the Cibola heartland [in New Mexico] and the Tusayan heartland [in Arizona], you walk right through Petrified Forest. 
 
 “If you were a modern Hopi person, and you were going to go on a pilgrimage to Zuni Salt Lake, you would walk through Petrified Forest. We sit right in the middle of all of this. 
 
 “But in spite of that, we haven’t had a lot of research done. So here we have a huge amount of ceramic diversity and a huge amount of architectural diversity, and we have a really long-term period of occupation. But what’s really unique is, a lot of important questions haven’t been asked yet. 
 
 “So we can ask some of these questions, and fill in answers not only to the archaeology here, but to the archaeology throughout the northern Southwest.”
– An ancient village has come to light in Arizona's Petrified Forest National Park—and it's the second such find in as many years. The villages are some 1,300 years old, dating from between 200 AD and 700 AD, ABC News reports. Archaeologists discovered homes dug into the ground known as pit-houses, built in sand dunes. Their floors and walls were lined with sandstone, Archaeology reports. Such accommodations exist elsewhere in the park; in these villages, however, they're clustered together, park archaeologist Bill Reitze says. Each village has "probably more than 50 structures," he notes, as Western Digs reports. The sites appear to be from a cultural era known as the Basketmaker period. Teams have also found tools and weapons made from petrified wood, shells, and ceramics, ABC notes. The findings come as the park doubles in size following an expansion enacted by Congress a decade ago. "There are not a lot of national parks that have the opportunity to get bigger like this to protect sites and produce future research," Reitze notes. "Because the park is doubling in size, we are finding something every day." (Another fascinating recent archaeological discovery: the remains of a mysterious "witch girl" found in Italy.)