Meadowcroft Rockshelter | |
Location | Jefferson Township, Washington County, Pennsylvania, U.S. |
---|---|
Nearest city | Avella, Pennsylvania |
Coordinates | 40°17′11″N80°29′30″W / 40.28639°N 80.49167°W |
Area | 0.2 acres (0.081 ha) |
NRHP reference No. | 78002480 [1] |
Significant dates | |
Added to NRHP | November 21, 1978 |
Designated NHL | April 5, 2005 [2] |
Designated PHMC | September 19, 1999 [3] |
The Meadowcroft Rockshelter is an archaeological site which is located near Avella in Jefferson Township, Pennsylvania. [4] The site is a rock shelter in a bluff overlooking Cross Creek (a tributary of the Ohio River), and contains evidence that the area may have been continually inhabited for more than 19,000 years. If accurately dated, it would be one of the earliest known sites with evidence of a human presence and continuous human occupation in the New World. [3]
The site is located twenty-seven miles west-southwest of Pittsburgh [5] in the Pittsburgh metropolitan area.
The site operates as a division of the Heinz History Center of Pittsburgh and has a museum and a reconstruction of a circa 1570s Monongahela culture Indian village. Meadowcroft Rockshelter is recognized as a National Historic Landmark, a Pennsylvania Commonwealth Treasure, and as an official project of Save America's Treasures.
The rockshelter is a natural formation beneath an overhanging cliff of Morgantown-Connellsville sandstone, which is a thick Pennsylvanian-age sandstone, brown in color. Meadowcroft is in the Allegheny Plateau, northwest of the Appalachian Basin. [6]
Native Americans left the site during the American Revolutionary War. It was not rediscovered until many years later, when, in 1955, Albert Miller found the first artifacts in a groundhog burrow. Miller delayed reporting his findings so as to not attract vandals, until he contacted James M. Adovasio, who led the first excavations of the site in 1973 until 1979 by the Cultural Resource Management Program of the University of Pittsburgh. Further University of Pittsburgh field school excavations were conducted through 1989. [7] [8] Since the 1990s, more recent work has also been undertaken by Adovasio through the Mercyhurst Archaeological Institute. [9] The methods of excavation used at Meadowcroft are still seen as state-of-the-art. It is viewed as one of the most carefully excavated sites in North America. [10]
Meadowcroft has produced what may be pre-Clovis remains, found as deep as 11.5 feet underground. The site also has yielded many tools, including pottery, bifaces, bifacial fragments, lamellar blades, a lanceolate projectile point, and chipping debris. Recoveries of note also include fluted points, which are a marker of the Paleoindian period. Remains of flint from Ohio, jasper from eastern Pennsylvania and marine shells from the Atlantic coast suggest that the people inhabiting the area were mobile and involved in long-distance trade. At least one basin-shaped hearth was reused over time.
Meadowcroft has also yielded the largest collection of flora and fauna materials ever recovered from a location in eastern North America. [11] The arid environment provided the necessary and rare conditions that permitted excellent botanical preservation. In total, animal remains representing 149 species were excavated. Evidence shows that people gathered smaller game animals as well as plants, such as corn, squash, fruits, nuts, and seeds.
Radiocarbon dating of the site indicated occupancy beginning 16,000 years ago (14,000 BCE) and possibly as early as 19,000 years ago (17,000 BCE). However, the dates are still controversial. A recent (2013) survey carried out by the Society for American Archaeology reported support from 38% of archaeologists, with 20% rejecting the early dates. [12] Criticism of these early radiocarbon dates has focused on the potential for contamination by ancient carbon from coal-bearing strata in the watershed. [13] The samples, tested by an independent third party geomorphologist, concluded that the samples showed no evidence of groundwater activity. Tests performed via accelerator mass spectrometry also support the earlier dates. [14] Proponents of the notion that contamination occurred note that the alkali-soluble humates in charcoal samples from the site are older than the charcoal in the samples. [15] If authentic, these dates would indicate that Meadowcroft was used in the pre-Clovis era and, as such, provides evidence for very early human habitation of the Americas. [16] [17] Meadowcroft Rockshelter may be one of the oldest known sites of human habitation in North America, providing a unique glimpse into the lives of prehistoric hunters and gatherers. Paleoindian, Archaic, and Woodland remains have all been found at the site.
An unusual type of arrowhead was found at the site, which has been named the Miller Lanceolate projectile point. Similar unfluted lanceolate points have also been found at the adjacent sites. As Goodyear writes:
Enough lithic artifacts were recovered to define the Miller complex. This complex consists of thin bifaces, including one lanceolate point, the Miller Lanceolate; small prismatic blades; retouched flake tools and blades, and debitage related to late-stage core and biface reduction and tool kit maintenance. [18]
The Miller complex is further defined by surveys done in the Cross Creek watershed, where other lanceolate points, small prismatic blades, and small polyhedral blade cores have been recovered. According to Adovasio et al., [19] this complex has a Eurasiatic and Siberian appearance. These authors also note that small blades and polyhedral cores are absent from subsequent Paleoindian fluted-point assemblages in this region, reinforcing the technological distinctiveness of the Miller complex. [18]
The adjacent Krajacic Site is located about ten miles southeast of Meadowcroft, and it is also important in defining the Miller complex. This site yielded a great variety of distinctive Meadowcroft-style blade implements and several small, cylindrical polyhedral cores. [20] [21]
At Cactus Hill in Virginia, similar points have been found, where they are dubbed as the Early Triangular type. Some similar finds were made at the Page-Ladson site in Florida as well. [22] [23]
Because of the very long occupational sequence at Meadowcroft, it became a very important site and is seen as quite valuable for comparative analysis:
The Pre-Clovis artifacts from Meadowcroft Rockshelter include a lanceolate point (named the Miller Lanceolate), bifaces, unifaces, prismatic blades, core fragments, and debitage. Remains from other Pre-Clovis sites (e.g., Cactus Hill and Saltville, Virginia, Topper, South Carolina, etc.) are usually compared to the Meadowcroft assemblage. [24] In addition, claims for Pre-Clovis inhabitants in other sections of the New World also are evaluated with Meadowcroft in mind. [25] [22]
According to some scholars, Clovis, Folsom, and other fluted point complexes may have derived from such unfluted lanceolate points. [22]
Other sites in the northeastern United States with evidence of possible pre-Clovis human presence include: Burning Tree Mastodon (Ohio), Mitchell Farm (Delaware), Barton (Barton Village Site, Maryland), Miles Point, and Parsons Island. [26]
Renovations to the rock shelter in 2008 were made so that visitors can see some of the tools and campfires made by the first Americans thousands of years ago. The rockshelter is recognized as a Pennsylvania Commonwealth Treasure and is an official project of Save America's Treasures. The historic site also includes a recreation of a 16th-century Monongahela village as well as 18th and 19th century buildings from European and United States settlement. [27]
The site was listed on the National Register of Historic Places in 1978. In 1999, the Pennsylvania Historical and Museum Commission installed a historical marker noting the historic importance of the site. [3] It was designated a National Historic Landmark in 2005. [2] It is also designated as a historic public landmark by the Washington County History & Landmarks Foundation. [28]
Clovis points are the characteristically fluted projectile points associated with the New World Clovis culture, a prehistoric Paleo-American culture. They are present in dense concentrations across much of North America and they are largely restricted to the north of South America. There are slight differences in points found in the Eastern United States bringing them to sometimes be called "Clovis-like". Clovis points date to the Early Paleoindian period, with all known points dating from roughly 13,400–12,700 years ago. As an example, Clovis remains at the Murry Springs Site date to around 12,900 calendar years ago. Clovis fluted points are named after the city of Clovis, New Mexico, where examples were first found in 1929 by Ridgely Whiteman.
The Clovis culture is an archaeological culture from the Paleoindian period of North America, spanning around 13,050 to 12,750 years Before Present (BP). The type site is Blackwater Draw locality No. 1 near Clovis, New Mexico, where stone tools were found alongside the remains of Columbian mammoths in 1929. Clovis sites have been found across North America. The most distinctive part of the Clovis culture toolkit are Clovis points, which are projectile points with a fluted, lanceolate shape. Clovis points are typically large, sometimes exceeding 10 centimetres (3.9 in) in length. These points were multifunctional, also serving as cutting tools. Other stone tools used by the Clovis culture include knives, scrapers, and bifacial tools, with bone tools including beveled rods and shaft wrenches, with possible ivory points also being identified. Hides, wood, and natural fibers may also have been utilized, though no direct evidence of this has been preserved. Clovis artifacts are often found grouped together in caches where they had been stored for later retrieval, and over 20 Clovis caches have been identified.
Topper is an archaeological site located along the Savannah River in Allendale County, South Carolina, United States. It is noted as a location of artifacts which some archaeologists believe to indicate human habitation of the New World earlier than the Clovis culture. The latter were previously believed to be the first people in North America.
The Buhl Woman was an Paleoindian Indigenous American woman whose remains were found in a quarry near Buhl, Idaho, United States, in January 1989. The remains are thought to have been deliberately buried. Radiocarbon dating has placed the age of the skeleton at 12,740–12,420 calibrated years before present, making her remains some of the oldest in the Americas, though the quality of the dating has been questioned.
The Page–Ladson archaeological and paleontological site (8JE591) is a deep sinkhole in the bed of the karstic Aucilla River that has stratified deposits of late Pleistocene and early Holocene animal bones and human artifacts. The site was the first pre-Clovis site discovered in southeastern North America; radiocarbon evidence suggests that the site dates from 14,200 to 14,550 BP. These dates are roughly 1,000 to 1,500 years before the advent of the Clovis culture. Early dates for Page–Ladson challenge theories that humans quickly decimated large game populations in the area once they arrived.
Cactus Hill is an archaeological site in southeastern Virginia, United States, located on sand dunes above the Nottoway River about 45 miles south of Richmond. The site receives its name from the prickly pear cacti that can be found growing abundantly on-site in the sandy soil. Cactus Hill may be one of the oldest archaeological sites in the Americas. If proven to have been inhabited 16,000 to 20,000 years ago, it would provide supporting evidence for pre-Clovis occupation of the Americas. The site has yielded multiple levels of prehistoric inhabitance with two discrete levels of early Paleo-Indian activity.
The Stanfield-Worley Bluff Shelter, located on private property in Colbert County in northwestern Alabama, United States, is one of the most important prehistoric sites excavated in the state due to the archeological evidence deposited by the Paleo-Indians who once occupied the rock shelter. Lying in Sanderson Cove along a tributary of Cane Creek approximately seven miles (11 km) south of the Tennessee Valley, the shelter and the high bluffs of the surrounding valley provided a well-protected environment for the Native American occupants.
James M. Adovasio is an American archaeologist and one of the foremost experts in perishable artifacts. He was formerly the Provost, Dean of the Zurn School of Natural Sciences and Mathematics, and Director of the Mercyhurst Archaeological Institute at Mercyhurst University in Erie, Pennsylvania, Adovasio is best known for his work at Meadowcroft Rockshelter in Pennsylvania and for his subsequent role in the "Clovis First" debate. He has published nearly 400 books, monographs, articles, and papers in his field.
The Senator John Heinz History Center, an affiliate of the Smithsonian Institution, is the largest history museum in the Commonwealth of Pennsylvania, United States. Named after U.S. Senator H. John Heinz III (1938–1991) from Pennsylvania, it is located in the Strip District of Pittsburgh.
The Lindenmeier site is a stratified multi-component archaeological site most famous for its Folsom component. The former Lindenmeier Ranch is in the Soapstone Prairie Natural Area, in northeastern Larimer County, Colorado, United States. The site contains the most extensive Folsom culture campsite yet found with calibrated radiocarbon dates of c. 12,300 B.P.. Artifacts were also found from subsequent Archaic and Late pre-historic periods.
The Paisley Caves or the Paisley Five Mile Point Caves complex is a system of eight caves in an arid, desolate region of south-central Oregon, United States north of the present-day city of Paisley, Oregon. The caves are located in the Summer Lake basin at 4,520 feet (1,380 m) elevation and face west, carved into a ridge of Miocene and Pliocene era basalts mixed with soft volcanic tuffs and breccias by Pleistocene-era waves from Summer Lake. One of the caves may contain archaeological evidence of the oldest definitively-dated human presence in North America. The site was first studied by Luther Cressman in the 1930s.
The Thunderbird Archaeological District, near Limeton, Virginia, is an archaeological district described as consisting of "three sites—Thunderbird Site, the Fifty Site, and the Fifty Bog—which provide a stratified cultural sequence spanning Paleo-Indian cultures through the end of Early Archaic times with scattered evidence of later occupation."
The Manis Mastodon site is a 2-acre (1 ha) archaeological site on the Olympic Peninsula near Sequim, Washington, United States, discovered in 1977. During the 1977-78 excavation, the remains of an American mastodon were recovered with a 13,800-year-old projectile point made of the bone from a different mastodon embedded in its rib. The site was placed on the National Register of Historic Places in 1978.
The Windust Caves (45-FR-46) are a series of nine caves eroded into a basalt cliff on the north side of the lower Snake River in Franklin County, southeastern Washington. The caves were excavated from 1959 until 1961 by a crew led by Harvey S. Rice. The site contains cultural artifacts dating back over 10,000 years and is culturally associated with other sites in the Columbia Basin.
The Buttermilk Creek complex is the remains of a paleolithic settlement along the shores of Buttermilk Creek in present-day Salado, Texas. The assemblage dates to ~13.2 to 15.5 thousand years old. If confirmed, the site represents evidence of human settlement in the Americas that pre-dates the Clovis culture.
Hell Gap is a deeply stratified archaeological site located in the Great Plains of eastern Wyoming, approximately thirteen miles north of Guernsey, where an abundant amount of Paleoindian and Archaic artifacts have been found and excavated since 1959. This site has had an important impact on North American archaeology because of the large quantity and breadth of prehistoric Paleoindian and Archaic period artifacts and cultures it encompasses. It was designated a National Historic Landmark in 2016.
Michael Waters is an American academic working as a professor of anthropology and geography at Texas A&M University, where he holds the Endowed Chair in First American Studies. He specializes in geoarchaeology, and has applied this method to the investigation of Clovis and later Paleo-Indian, and possible pre-Clovis occupation sites.
The Gault archaeological site is an extensive, multicomponent site located in Florence, Texas, United States on the Williamson-Bell County line along Buttermilk Creek about 250 meters upstream from the Buttermilk Creek complex. It bears evidence of human habitation for at least 20,000 years, making it one of the few archaeological sites in the Americas at which compelling evidence has been found for human occupation dating to before the appearance of the Clovis culture. Archaeological material covers about 16 hectares with a depth of up to 3 meters in places. About 30 incised stones from the Clovis period engraved with geometric patterns were found there as well as others from periods up to the Early Archaic. Incised bone was also found.
Paleo Crossing site, also known as the Old Dague Farm site, is an archaeological site near Sharon Center, Ohio in Medina County where Clovis artifacts dated to 10,980 BP ± 75 years Before Present were found. The Cleveland Museum of Natural History conducted an excavation from 1990 to 1993. The site provides evidence of Paleo-Indians in northern Ohio and may be the area's oldest residents and archaeologist Dr. David Brose believes that they may be "some of the oldest certain examples of human activity in the New World." The site contains charcoal recovered from refuse pits. There were also two post holes and blades and tools 80% of which were made from flint from the Ohio River Valley in Indiana, 500 miles from Paleo Crossing, which indicates that the hunter-gatherers had a widespread social network and traveled across distances relatively quickly. The post holes are evidence that there was a shelter built on the site.
The theory known as "Clovis First" was the predominant hypothesis among archaeologists in the second half of the 20th century to explain the peopling of the Americas. According to Clovis First, the people associated with the Clovis culture were the first inhabitants of the Americas. This hypothesis came to be challenged by ongoing studies that suggest pre-Clovis human occupation of the Americas. In 2011, following the excavation of an occupation site at Buttermilk Creek, Texas, a group of scientists identified the existence "of an occupation older than Clovis." At the site in Buttermilk, archaeologists discovered evidence of hunter-gatherer group living and the making of projectile spear points, blades, choppers, and other stone tools. The tools found were made from a local chert and could be dated back to as early as 15,000 years ago.
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