Trinchera Cave Archeological District

Trinchera Cave Archeological District
Location Along Trinchera Creek, 8.5 miles (13.7 km) north of Trinchera[1]
Nearest city Trinchera
Coordinates 37°9′58″N 104°0′53″W / 37.16611°N 104.01472°W / 37.16611; -104.01472Coordinates: 37°9′58″N 104°0′53″W / 37.16611°N 104.01472°W / 37.16611; -104.01472
Area 460 acres (190 ha)
Architectural style Other, Stacked stone enclosure
NRHP Reference # 01001120[2]
Added to NRHP October 22, 2001

The Trinchera Cave Archeological District (5LA9555) is an archaeological site in Las Animas County, Colorado with artifacts primarily dating from 1000 BC to AD 1749, although there were some Archaic period artifacts found. The site was added to the National Register of Historic Places in 2001[2] and is located on State Trust Lands.[3]

Geography

Trinchera Cave is located within the Trinchera Creek canyon [4] in south central Colorado, west of Interstate 25, in the foothills of the Sangre de Cristo Mountains. The climate zones and topography vary significantly in the 3,147 square mile Trinchera data analysis area (State of Colorado). Elevations range from 5,370 to 14,345 feet (1,637 to 4,372 m), the lowest being at the San Francisco Creek to the height at Blanca Peak. Between the two points are low rolling hills, valleys, ridges, steep mountain slopes and cliffs. At the lowest elevation there is less than 6 inches of precipitation per year; The mountainous areas receive 20 or more inches of precipitation per year, primarily in the form of snow. The habitat supports elk and deer populations.[5]

Sangre de Cristo Range looking west

History

Archaeological data indicates that there were people who inhabited or camped at the site from the late Archaic cultural period, Sopris Phase, Apishapa culture complex, and late prehistoric periods, which spanned a period from several thousand years BC to AD 1749.

Archaic period - 5850-3050 BC

People of the Archaic period were hunters of smaller game, such as deer, antelope and rabbits, and gatherers of wild plants. The people moved seasonally to hunting and gathering sites. Late in the Archaic period, about AD 200-500, corn was introduced into the diet and pottery-making became an occupation for storing and caring food.[6]

Large corner notched points from the Archaic age are artifacts found at the site and akin to the Texas Ellis points or Denver area Magic Mountain Site points found in Zone B. The presence of the points could show a relationship to the Basketmaker culture of New Mexico and Arizona, one of 17 such sites in southern Colorado.[7]:37

Sopris phase - AD 1000-1250

Example of a jacal structure, Big Bend National Park, Texas
Watershed of the Rio Grande

Sopris Phase, was an Upper Rio Grande hunter-gatherer culture that followed the Archaic period, influenced by pueblo people, such as the Taos Pueblo, and trade in the Upper Rio Grande.[7]:94–95

Santa Fe black-on-white pottery and Taos gray pottery were found at the second oldest level at the rock shelter. Also at that level was a greater percentage of corner-notched projectile that was found in the oldest level. The research and dating of items of this period indicate dates from AD 1100 to 1350, likely in the 1200s, and indicate a trading relationships with people of the American southwest.[7]:95

Panhandle culture

Panhandle culture is a prehistoric culture of the southern High Plains during the Middle Ceramic Period from AD 1200-1400. Panhandle sites are primarily in the panhandle and west central Oklahoma and the northern half of the Texas Panhandle. Antelope Creek focus is the primary, and to some the only, cultural tradition of the Panhandle culture. The Optima focus was defined for sites in west central Oklahoma, but after further study, these sites were defined as Antelope Creek focus. In 1975 Robert G. Campbell defined the Apishapa of southeastern Colorado's Chaquaqua Plateau as a Panhandle culture, which is disputed by other noted archaeologists. Most of the sites are centered around the Canadian River or its tributaries, primarily Antelope Creek and also Cottonwood Creek, Dixon Creek, Tarbox Creek and also on the Archie King Ranch.[7]:87

Distinguishing characteristics of the Panhandle culture are:[7]:87

Just above the Sopris level were remains of a Jacal structure. This level appears to contain a Panhandle culture influence, based upon the presence of artifacts typical of the Antelope Creek Phase and Stamper cord-marked pottery.

The Apishapa Phase, from AD 1000-1400, was identified by archaeologist Robert G. Campbell to be an outgrowth of the Panhandle culture. The Apishapa distinctions included that they sometimes lived in stone or slab constructed structures, made cord-wrapped pottery and used smaller projectile points; Unlike other Plains tribes, they did not use tools made of bison bones. They were a tradition of hunter gatherers who sometimes farmed. The people of the Apishapa phase lived in northern New Mexico or southern Colorado in rock shelters, single or multi-room stone or slab structures or in campsites, generally in protected areas near flowing water. Artifacts from this phase include a wide range of tools, cord-wrapped pottery and baskets. The initial reference point for the term was an archaeological site in the Lower Apishapa canyon.[8]

Discovery

William Louden,[nb 1] a historian, geologist, and rancher, discovered the cave when he flew overhead the area in 1947. With Ruth Henritze, Louden dug for artifacts.[3][10] The two individually published books about archaeology including:[9]

In 1984 the Louden-Henritze Archeology Museum at the Trinidad State Junior College was dedicated to Richard and Willard Louden and Ruth Henritze.[11]

Archaeology

Cave description

The cave, approximately 30 by 8 metres (98 by 26 ft) under a 8 metres (26 ft) overhang, is surrounded by Dakota formation sandstone and sits on a Purgatoire shale formation floor. Within the rock shelter there were previously walls, reportedly built with sandstone blocks, estimated to be 1.5 metres (4.9 ft) thick. Adjacent to the shelter is a creek.[12]

The shelter stays cool in the summer due to the overhang and is warmed by the sun in the winter.[3]

Artifacts and other information

Trinchera Cave shares some similarities with a couple of other archaeological sites in eastern Colorado. Trinchera Cave, Franktown Cave and Chamber Cave, all showed significant evidence of residence, including a wealth of perishable items. The Trinchera and Chamber Cave sites, though, are located in the Arkansas River basin and connected with the people of the southern plains. Franktown Cave is located in the South Platte River basin, near Denver, Colorado.[13] The latest inhabitants of the cave were the Apache and Comanche tribes.[3]

Excavations were performed between the 1950s and 1970s, finding a similar variety of perishable items that were found at the Franktown Cave. The collection was taken and stored at the neighboring Trinidad State Junior College, but the information about the perishable items collection has not yet tabulated and published.[13]

Excavation and studies

Date Name Comments
1954–1957 Hal Chase and Herb Dick,
professors at the Trinidad State Junior College.		 Conducted excavations of the site.[3]
1974 Carol Simpson Studied the site and prepared a thesis for her master's degree.[3]
1997–1999 Program for Avocational Archaeological Certification (PAAC) volunteers A survey was conducted of the Trinchera Creek canyon system, on which Trinchera Cave is located, by volunteers trained to perform surveys. They documented 57 sites, 18 isolated finds, with most of the artifacts dating after AD 1500. The hunter-gatherer artifacts included non-micaceous plain pottery, lithic tools made from Alibates and obsidian chert, and diagnostic tools which were similar to items of southern plains people.[4]
1999 Michael Nowak and students,
Colorado College		 Excavated the site to record and radiocarbon date items at the site.[3]
By 2003 Possibly Smithsonian Institution Geodetic, magnetic, resistivity, and seismic surveys to locate the walls of the Apishapa "jackal" structure, which had been reported from the 1974 excavation, but backfilled as to not be visible or found in studies subsequent to 1974.[12]

Louden-Henritze Museum of Archaeology

The Louden-Henritze Museum of Archaeology, located in Trinidad on the grounds of the Trinidad State Junior College, replica of the Trinchera Cave rockshelter exhibits examples of items made by pre-historic people, including pottery, projectile points, and perishable items made from plants, such as braided ropes, grass mats and yucca sandals. The dry, protected cave preserved the perishable items.[14][15]

See also

Notes

  1. ↑ Unless William has a relative named "Willard C. Louden", Louden's name is sometimes stated as "Willard C. Louden"[9][10][11]

References

  1. ↑ Location derived from its placement on USGS topographical maps; the NRIS lists the site as "Address Restricted".
  2. 1 2 National Park Service (2010-07-09). "National Register Information System". National Register of Historic Places. National Park Service.
  3. 1 2 3 4 5 6 7 Potter, Mary Jean. Students find artifacts from 1,000 year old artifacts. Eugene Register Guard (from the Pueblo Chieftain). November 30, 1999.
  4. 1 2 Black, Kevin. D. An Archaeological Survey of the Trinchera Cave Area, Southeastern Colorado. Southwestern Lore: Contents and Abstracts. pp. 12-30. Retrieved 9-30-2011.
  5. ↑ Vitt, Allen. Trinchera Data Analysis Plan. Colorado Division of Wildlife. April 2007. pp. 3, 9, 20. Retrieved 9-30-2011.
  6. ↑ Kipfer, Barbara Ann. (2000). Encyclopedic Dictionary of Archaeology. New York: Plenum Publisher, 341. ISBN 0-306-46158-7.
  7. 1 2 3 4 5 Gunnerson, James H. (1987). Archaeology of the High Plains. Denver: United States Forest Service.
  8. ↑ Gibbon, Guy E., and Kenneth M. Ames. Archaeology of Prehistoric Native America: An Encyclopedia. 1998, 24. ISBN 0-8153-0725-X.
  9. 1 2 Trinidad State Junior College, Trinidad, Co Articles. the Archaeological Digital Record (tDAR). Retrieved 9-30-2011.
  10. 1 2 The CAS Surveyor. Colorado Archaeological Society. Summer 2010. 9(3):4-5. Retrieved 9-30-2011.
  11. 1 2 Trinidad State College: History. Trinidad State College. 2009. Retrieved 9-30-2011.
  12. 1 2 McCarthy, L.; Bank, C. (2003) A Preliminary Geophysical Study Involving Remote Sensing at the Archaeological Site Trinchera Cave, Colorado - Abstract. American Geophysical Union. Fall Meeting 2003. Retrieved 9-30-2011.
  13. 1 2 Gilmore, Kevin P.Franklin Cave Nomination Form. University of Denver. 2005. p. 11. Retrieved 9-29-2011.
  14. ↑ Louden-Henritze Museum of Archaeology. Santa Fe Trail Scenic and Historic Byway Colorado's Mountain Branch. Retrieved 9-30-2011.
  15. ↑ Louden-Henritze Museum of Archaeology. Trinadad State Junior College. 2009. Retrieved 9-30-2011.

Further reading

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