The Pecos Classification is a chronological division of all known
Ancestral Puebloans
The Ancestral Puebloans, also known as the Anasazi, were an ancient Native American culture that spanned the present-day Four Corners region of the United States, comprising southeastern Utah, northeastern Arizona, northwestern New Mexico, a ...
into periods based on changes in
architecture
Architecture is the art and technique of designing and building, as distinguished from the skills associated with construction. It is both the process and the product of sketching, conceiving, planning, designing, and constructing building ...
,
art
Art is a diverse range of human activity, and resulting product, that involves creative or imaginative talent expressive of technical proficiency, beauty, emotional power, or conceptual ideas.
There is no generally agreed definition of wha ...
,
pottery
Pottery is the process and the products of forming vessels and other objects with clay and other ceramic materials, which are fired at high temperatures to give them a hard and durable form. Major types include earthenware, stoneware and por ...
, and
cultural remains
Culture () is an umbrella term which encompasses the social behavior, institutions, and norms found in human societies, as well as the knowledge, beliefs, arts, laws, customs, capabilities, and habits of the individuals in these groups.Tyl ...
. The original classification dates back to consensus reached at a 1927
archæological conference held in
Pecos, New Mexico
Pecos is a village in San Miguel County, New Mexico, United States. The population was 1,392 at the 2010 census, shrinking slower than other parts of San Miguel County, partly because Pecos is within commuting distance of Santa Fe. The village i ...
, which was organized by the United States archaeologist
Alfred V. Kidder.
Original classification
The original Pecos Classification contained eight stages of Southwestern prehistory, but it did not specify dates.
#
Basketmaker I, or Early Basketmaker II
#
Basketmaker II, or Late Basketmaker II
#
Basketmaker III, or Post-Basketmaker
#
Pueblo I Period
The Pueblo I Period (750 to 900) was the first period in which Ancestral Puebloans began living in pueblo structures and realized an evolution in architecture, artistic expression, and water conservation.
Pueblo I, a Pecos Classification, is sim ...
, or Proto-Pueblo
#
Pueblo II Period
The Pueblo II Period (AD 900 to AD 1150) was the second pueblo period of the Ancestral Puebloans of the Four Corners region of the American southwest. During this period people lived in dwellings made of stone and mortar, enjoyed communal activit ...
#
Pueblo III Period
The Pueblo III Period (AD 1150 to AD 1350) was the third period, also called the "Great Pueblo period" when Ancestral Puebloans lived in large cliff-dwelling, multi-storied pueblo, or cliff-side talus house communities. By the end of the period ...
, or Great Pueblo
#
Pueblo IV Period
The Pueblo IV Period (AD 1350 to AD 1600) was the fourth period of ancient pueblo life in the American Southwest. At the end of prior Pueblo III Period, Ancestral Puebloans living in the Colorado and Utah regions abandoned their settlements a ...
, or Proto-Historic
#
Pueblo V Period, or Historic
Current classification
Although the original classification has been significantly debated and sometimes modified over the years, the split into
Basket
A basket is a container that is traditionally constructed from stiff fibers and can be made from a range of materials, including wood splints, runners, and cane. While most baskets are made from plant materials, other materials such as horsehai ...
maker and Pueblo period still serves as a basis for discussing the culture of the
Ancestral Puebloans
The Ancestral Puebloans, also known as the Anasazi, were an ancient Native American culture that spanned the present-day Four Corners region of the United States, comprising southeastern Utah, northeastern Arizona, northwestern New Mexico, a ...
of the
Four Corners
The Four Corners is a region of the Southwestern United States consisting of the southwestern corner of Colorado, southeastern corner of Utah, northeastern corner of Arizona, and northwestern corner of New Mexico. The Four Corners area ...
area. The following classification is based in part of the Revised Pecos Classification for the Mesa Verde Region.
Archaic–Early Basketmaker (8000 – 1500 BCE)
The pre-Ancestral Pueblo culture that moved into the modern-day
Southwestern United States
The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural region of the United States that generally includes Arizona, New Mexico, and adjacent portions of California, Colorado, Ne ...
after the big game hunters departed are called ''Archaic''. Little evidence for extensive habitation before 8000 BC exists. From evidence near
Navajo Mountain
, photo = NavajoMtn (cropped).jpg
, photo_caption = Navajo Mountain and Lake Powell, looking southeast from the Kaiparowits Plateau
, elevation_ft = 10348
, elevation_ref =
, prominence_ft = 4226
, prominence_ref =
, listing =
, locati ...
, they were
nomadic people
A nomad is a member of a community without fixed habitation who regularly moves to and from the same areas. Such groups include hunter-gatherers, pastoral nomads (owning livestock), tinkers and trader nomads. In the twentieth century, the popu ...
,
hunter-gatherer
A traditional hunter-gatherer or forager is a human living an ancestrally derived lifestyle in which most or all food is obtained by foraging, that is, by gathering food from local sources, especially edible wild plants but also insects, fungi, ...
s traveling in small bands. They gathered wild foods when in
season
A season is a division of the year based on changes in weather, ecology, and the number of daylight hours in a given region. On Earth, seasons are the result of the axial parallelism of Earth's tilted orbit around the Sun. In temperate and pol ...
, and hunted with stone-tipped spears, ''
atlatl
A spear-thrower, spear-throwing lever or ''atlatl'' (pronounced or ; Nahuatl ''ahtlatl'' ) is a tool that uses leverage to achieve greater velocity in dart or javelin-throwing, and includes a bearing surface which allows the user to store ene ...
s'', and
dart
Dart or DART may refer to:
* Dart, the equipment in the game of darts
Arts, entertainment and media
* Dart (comics), an Image Comics superhero
* Dart, a character from ''G.I. Joe''
* Dart, a ''Thomas & Friends'' railway engine character
* Dar ...
s. Game included
rabbit
Rabbits, also known as bunnies or bunny rabbits, are small mammals in the family Leporidae (which also contains the hares) of the order Lagomorpha (which also contains the pikas). ''Oryctolagus cuniculus'' includes the European rabbit speci ...
s,
deer
Deer or true deer are hoofed ruminant mammals forming the family Cervidae. The two main groups of deer are the Cervinae, including the muntjac, the elk (wapiti), the red deer, and the fallow deer; and the Capreolinae, including the reindeer ...
,
antelope
The term antelope is used to refer to many species of even-toed ruminant that are indigenous to various regions in Africa and Eurasia.
Antelope comprise a wastebasket taxon defined as any of numerous Old World grazing and browsing hoofed mammals ...
, and
bighorn sheep
The bighorn sheep (''Ovis canadensis'') is a species of sheep native to North America. It is named for its large horns. A pair of horns might weigh up to ; the sheep typically weigh up to . Recent genetic testing indicates three distinct subspec ...
.
The original classification postulated a Basketmaker I Period which was subsequently discredited due to lack of physical evidence. It was combined with the Archaic Period.
This period was called
Oshara tradition
Oshara Tradition, the northern tradition of the Picosa culture, was a Southwestern Archaic tradition centered in the area now called New Mexico and Colorado. Cynthia Irwin-Williams developed the sequence of Archaic period in the Americas, Archaic ...
. There was a trend toward a sedentary lifestyle, with small-scale cultivation of plants beginning 1000 BC.
Early Basketmaker II (1500 BCE – 50 CE)
The early Ancestral Pueblo camped in the open or lived in caves seasonally. During this period, they began to cultivate gardens of
maize
Maize ( ; ''Zea mays'' subsp. ''mays'', from es, maíz after tnq, mahiz), also known as corn (North American and Australian English), is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago. Th ...
(
flint corn
Flint corn (''Zea mays'' var. ''indurata''; also known as Indian corn or sometimes calico corn) is a variant of maize, the same species as common corn. Because each kernel has a hard outer layer to protect the soft endosperm, it is likened to bei ...
in particular) and
squash
Squash may refer to:
Sports
* Squash (sport), the high-speed racquet sport also known as squash racquets
* Squash (professional wrestling), an extremely one-sided match in professional wrestling
* Squash tennis, a game similar to squash but pla ...
, but no
beans
A bean is the seed of several plants in the family Fabaceae, which are used as vegetables for human or animal food. They can be cooked in many different ways, including boiling, frying, and baking, and are used in many traditional dishes th ...
. They used ''manos'' and ''
metate
A metate (or mealing stone) is a type or variety of quern, a ground stone tool used for processing grain and seeds. In traditional Mesoamerican cultures, metates are typically used by women who would grind nixtamalized maize and other organic ma ...
s'' to grind corn, and the women made baskets for numerous uses.
Late Basketmaker II (50 – 500)
The people constructed primitive storage bins,
cist
A cist ( or ; also kist ;
from grc-gre, κίστη, Middle Welsh ''Kist'' or Germanic ''Kiste'') is a small stone-built coffin-like box or ossuary used to hold the bodies of the dead. Examples can be found across Europe and in the Middle East ...
s, and shallow
pit-houses. At this stage, evidence suggests that the beginning of a religious and decision-making structure had already developed.
Shaman
Shamanism is a religious practice that involves a practitioner (shaman) interacting with what they believe to be a spirit world through altered states of consciousness, such as trance. The goal of this is usually to direct spirits or spiritu ...
istic cults existed, and
petroglyph
A petroglyph is an image created by removing part of a rock surface by incising, picking, carving, or abrading, as a form of rock art. Outside North America, scholars often use terms such as "carving", "engraving", or other descriptions ...
s and other rock art indicate a ceremonial structure as well. Groups appear to be increasingly linked into larger-scale decision-making bodies.
Basketmaker III (500 – 750)
Deep pithouses were developed, along with some above-ground rooms. The bow and arrow replace the atlatl and spear. Plain
bisque and some painted
black-on-white pottery is made. Cultivation begins of beans, available due to trade from Central America, and edible due to slow cooking in pottery vessels. Wild
amaranth
''Amaranthus'' is a cosmopolitan genus of annual or short-lived perennial plants collectively known as amaranths. Some amaranth species are cultivated as leaf vegetables, pseudocereals, and ornamental plants. Catkin-like cymes of densely pack ...
and
pinyon pine
The pinyon or piñon pine group grows in southwestern North America, especially in New Mexico, Arizona, and Utah. The trees yield edible nuts, which are a staple food of Native Americans, and widely eaten as a snack and as an ingredient in New ...
were also staples. People of this period may have domesticated
turkeys
The turkey is a large bird in the genus ''Meleagris'', native to North America. There are two extant turkey species: the wild turkey (''Meleagris gallopavo'') of eastern and central North America and the ocellated turkey (''Meleagris ocellat ...
.
The prototype ''
kiva
A kiva is a space used by Puebloans for rites and political meetings, many of them associated with the kachina belief system. Among the modern Hopi and most other Pueblo peoples, "kiva" means a large room that is circular and underground, ...
s'' were large, round, and subterranean.
Pueblo I Period (750 – 900)
The
Pueblo I Period
The Pueblo I Period (750 to 900) was the first period in which Ancestral Puebloans began living in pueblo structures and realized an evolution in architecture, artistic expression, and water conservation.
Pueblo I, a Pecos Classification, is sim ...
saw increasing populations, growing village size, social integration, and more complicated and complex agricultural systems typified this Period. The construction and year-round occupation of pueblos begins; the people constructed reservoirs and canals to deal with scarce and irregular water resources. Large villages and great kivas appear, though pithouses still remain in use. Above-ground construction is of
jacal
The jacal (həˈkɑːl; Mexican Spanish from Nahuatl ''xacalli'' contraction of ''xamitl calli''; literally "hut") is an adobe-style housing structure historically found throughout parts of the Southwestern United States and Mexico. This type o ...
or crude
masonry
Masonry is the building of structures from individual units, which are often laid in and bound together by mortar; the term ''masonry'' can also refer to the units themselves. The common materials of masonry construction are bricks, building ...
. Plain gray
bisque predominates in pottery, though some red bisque and pottery decorated in black and white appears.
Pueblo II Period (900 – 1150)
By AD 1050,
Chaco Canyon
Chaco Culture National Historical Park is a United States National Historical Park in the American Southwest hosting a concentration of pueblos. The park is located in northwestern New Mexico, between Albuquerque and Farmington, in a remote ca ...
(in present-day
New Mexico
)
, population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano)
, seat = Santa Fe
, LargestCity = Albuquerque
, LargestMetro = Tiguex
, OfficialLang = None
, Languages = English, Spanish ( New Mexican), Navajo, Ker ...
) was a major regional center, with a population of 1,500–5,000 people. It is surrounded by standardized planned towns, or ''great houses'', built from the wood of more than 200,000 trees. Thirty-foot-wide ()
road
A road is a linear way for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets, the main function of roads is transportation.
There are many types of ...
s, flanked by
berm
A berm is a level space, shelf, or raised barrier (usually made of compacted soil) separating areas in a vertical way, especially partway up a long slope. It can serve as a terrace road, track, path, a fortification line, a border/ separation ...
s, radiate from Chaco in various directions. Small blocks of above-ground masonry rooms and a kiva make up a typical
pueblo
In the Southwestern United States, Pueblo (capitalized) refers to the Native tribes of Puebloans having fixed-location communities with permanent buildings which also are called pueblos (lowercased). The Spanish explorers of northern New Spain ...
. Great kivas were up to in diameter. Pottery consists of corrugated gray bisque and decorated black-on-white in addition to some decorated red and orange vessels. The people imported shells and
turquoise
Turquoise is an opaque, blue-to-green mineral that is a hydrated phosphate of copper and aluminium, with the chemical formula . It is rare and valuable in finer grades and has been prized as a gemstone and ornamental stone for thousands of yea ...
from other cultures through trading.
During the 12th century, populations began to grow after a decline at the end of the
Pueblo II Period
The Pueblo II Period (AD 900 to AD 1150) was the second pueblo period of the Ancestral Puebloans of the Four Corners region of the American southwest. During this period people lived in dwellings made of stone and mortar, enjoyed communal activit ...
. More intense
agriculture
Agriculture or farming is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to ...
was characteristic, with
terracing and
irrigation
Irrigation (also referred to as watering) is the practice of applying controlled amounts of water to land to help grow Crop, crops, Landscape plant, landscape plants, and Lawn, lawns. Irrigation has been a key aspect of agriculture for over 5,00 ...
common.
Pueblo III Period (1150 – 1350)
Settlements consist of large pueblos, cliff dwellings, towers and turkey pens. Most villages in the Four Corners area are abandoned by AD 1300. The distinction between the ''
Hohokam
Hohokam () was a culture in the North American Southwest in what is now part of Arizona, United States, and Sonora, Mexico. It existed between 300 and 1500 AD, with cultural precursors possibly as early as 300 BC. Archaeologists disagree about ...
'' and Ancient Pueblo people becomes blurred.
Pueblo IV Period (1350 – 1600)
Typically, large pueblos are centered around a
plaza
A town square (or square, plaza, public square, city square, urban square, or ''piazza'') is an open public space, commonly found in the heart of a traditional town but not necessarily a true geometric square, used for community gatherings. ...
. Socially, this was a period of more conflict than cooperation, which is thought to have led to abandonment of settlements at Mesa Verde. The people began making
kachina
A kachina (; also katchina, katcina, or katsina; Hopi: ''katsina'' , plural ''katsinim'' ) is a spirit being in the religious beliefs of the Pueblo peoples, Native American cultures located in the south-western part of the United States. In th ...
s for religious and ritual purposes. Plain pottery supplants corrugated. Red, orange and yellow pottery is on the rise as the black-on-white declines.
Cotton
Cotton is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus ''Gossypium'' in the mallow family Malvaceae. The fiber is almost pure cellulose, and can contain minor perce ...
is introduced and grown as a commodity.
The Puebloans are joined by other cultures. As early as the 15th century, the Navajo were in the process of migrating into the region from the north. In the next century, the
Spanish
Spanish might refer to:
* Items from or related to Spain:
**Spaniards are a nation and ethnic group indigenous to Spain
**Spanish language, spoken in Spain and many Latin American countries
**Spanish cuisine
Other places
* Spanish, Ontario, Can ...
colonists first came in the 1540s from the south.
Pueblo V Period (1600 – present)
The Spanish dominate and take over sites such as the
Acoma Pueblo
Acoma Pueblo (, kjq, Áakʼu) is a Native American pueblo approximately west of Albuquerque, New Mexico, in the United States. Four communities make up the village of Acoma Pueblo: Sky City (Old Acoma), Acomita, Anzac, and McCartys. These com ...
. Their arrival sends Pueblo subcultures underground.
Puebloan sites
*
Mesa Verde National Park
Mesa Verde National Park is an American national park and UNESCO World Heritage Site located in Montezuma County, Colorado. The park protects some of the best-preserved Ancestral Puebloan archaeological sites in the United States.
Established ...
*
Canyons of the Ancients National Monument
Canyons of the Ancients National Monument is a national monument protecting an archaeologically-significant landscape located in the southwestern region of the U.S. state of Colorado. The monument's are managed by the Bureau of Land Management, ...
*
Bandelier National Monument
Bandelier National Monument is a United States National Monument near Los Alamos in Sandoval and Los Alamos counties, New Mexico. The monument preserves the homes and territory of the Ancestral Puebloans of a later era in the Southwest. Most ...
*
Chaco Canyon
Chaco Culture National Historical Park is a United States National Historical Park in the American Southwest hosting a concentration of pueblos. The park is located in northwestern New Mexico, between Albuquerque and Farmington, in a remote ca ...
in
Chaco Culture National Historical Park
Chaco Culture National Historical Park is a United States National Historical Park in the American Southwest hosting a concentration of pueblos. The park is located in northwestern New Mexico, between Albuquerque and Farmington, in a remote ca ...
*
Canyon de Chelly National Monument
Canyon de Chelly National Monument ( ) was established on April 1, 1931, as a unit of the National Park Service. Located in northeastern Arizona, it is within the boundaries of the Navajo Nation and lies in the Four Corners region. Reflecting on ...
*
Gila Cliff Dwellings National Monument
Gila Cliff Dwellings National Monument is a U.S. National Monument created to protect Mogollon cliff dwellings in the Gila Wilderness on the headwaters of the Gila River in southwest New Mexico. The national monument was established by President ...
*Keet Seel in
Navajo National Monument
Navajo National Monument is a National Monument located within the northwest portion of the Navajo Nation territory in northern Arizona, which was established to preserve three well-preserved cliff dwellings of the Ancestral Puebloan people: Keet ...
*
Chimney Rock National Monument
Chimney Rock National Monument is a U.S. National Monument in San Juan National Forest in southwestern Colorado which includes an archaeological site. This area is located in Archuleta County, Colorado, between Durango and Pagosa Springs, and ...
See also
*
List of dwellings of Pueblo peoples
Hundreds of Ancestral Puebloan dwellings are found across the American Southwest. With almost all constructed well before , these Puebloan towns and villages are located throughout the geography of the Southwest.
Many of these dwellings inc ...
*
Hohokam
Hohokam () was a culture in the North American Southwest in what is now part of Arizona, United States, and Sonora, Mexico. It existed between 300 and 1500 AD, with cultural precursors possibly as early as 300 BC. Archaeologists disagree about ...
*
Hopi
The Hopi are a Native American ethnic group who primarily live on the Hopi Reservation in northeastern Arizona, United States. As of the 2010 census, there are 19,338 Hopi in the country. The Hopi Tribe is a sovereign nation within the Unite ...
*
Tiwa Tiwa and Tigua may refer to:
* Tiwa Puebloans, an ethnic group of New Mexico, US
* Tiwa (Lalung), an ethnic group of north-eastern India
* Tiwa language (India), a Sino-Tibetan language of India
* Tiwa languages, a group of Tanoan languages of the ...
*
Zuni people
The Zuni ( zun, A:shiwi; formerly spelled ''Zuñi'') are Native American Pueblo peoples native to the Zuni River valley. The Zuni are a Federally recognized tribe and most live in the Pueblo of Zuni on the Zuni River, a tributary of the Lit ...
*
John Wesley Powell
John Wesley Powell (March 24, 1834 – September 23, 1902) was an American geologist, U.S. Army soldier, explorer of the American West, professor at Illinois Wesleyan University, and director of major scientific and cultural institutions. He ...
*
Richard Wetherill
Richard Wetherill (1858–1910), a member of a Colorado ranching family, was an amateur archaeologist who discovered, researched and excavated sites associated with the Ancient Pueblo People. He is credited with the rediscovery of Cliff Palac ...
*
Antiquities Act
The Antiquities Act of 1906 (, , ), is an act that was passed by the United States Congress and signed into law by Theodore Roosevelt on June 8, 1906. This law gives the President of the United States the authority to, by presidential procla ...
References
*Catherine M., and H. Wolcott Toll. "Deciphering the Organization of Production in Chaco Canyon (Organization of Production at Chaco Canyon conference papers)." ''
American Antiquity
The professional journal ''American Antiquity'' is published by Cambridge University Press for the Society for American Archaeology, an organization of professional archaeologists of the Americas. The journal is considered to be the flagship jou ...
'' 66.1 (Jan 2001): 5.
*
Kidder, Alfred V. (1927). Southwestern Archaeological Conference. ''Science'' 66: 489-91.
*Kidder, Alfred V. (2000 ed.) "An Introduction to the study of Southwestern Archaeology". Yale University.
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