Key Marco was anarchaeological site (8CR48) consisting of a largeshell works island next toMarco Island,Florida. A small pond on Key Marco, now known as the "Court of the Pile Dwellers" (8CR49),[a] was excavated in 1896 by theSmithsonian Institution'sPepper-Hearst Expedition, led byFrank Hamilton Cushing. Cushing recovered more than 1,000 woodenartifacts from the pond, the largest number of wooden artifacts from anyprehistoric archaeological site in theeastern United States. These artifacts are described as some of the finest prehistoricNative American art inNorth America. The Key Marco materials are principally divided between theUniversity of Pennsylvania Museum of Archaeology and Anthropology,University of Pennsylvania; the Department of Anthropology,National Museum of Natural History,Smithsonian Institution; and theFlorida Museum of Natural History,University of Florida. The original pond was completely excavated and refilled. It is now covered by a housing subdivision. Excavations of small parts of the site were also conducted in 1965 and 1995.
The island of Key Marco was composed of shell mounds and other shell works and separate from Marco Island in the 19th century. A late 19th century settlement on the island was called Marco Village. The Olde Marco Inn on the north end of the island was founded in 1887. The name of the settlement on the island was changed to Collier City in 1927. By late in the 20th century Key Marco had been attached to Marco Island and all of the mounds on Key Marco had been leveled and built on. The area is now known as Old Marco Village. One source of confusion in the name is Marion Gilliland's use of "Key Marco" to refer to all of Marco Island. Another source of confusion arises from the fact that in the 1980s a development company renamed the formerHorr's Island as "Key Marco". Horr's Island was the location of an independently significant archaeological site. It has one of the oldest indigenous burial mounds of the eastern United States, dating to about 1450BCE; and it was the site of the largest, permanently occupied community of theArchaic period (8000 BCE- 1000 BCE) in the southeastern part of the nation.[2][3]
The "Court of the Pile Dwellers"[b] at Key Marco was a smallmuckpond, covering less than anacre. The conditions in the muck preserved the wood and other objects, including those made with bone, fiber,gum,rawhide andgut. Objects of stone, shell and pottery were also found in the pond.[5][6]
A great variety of artifacts were found in the pond, including bowls,mortars and pestles, spears,atlatls, cords, ropes, nets, net floats, fishhooks, carved clubs, wooden tablets and plaques, woodear spools, realistically carved animal heads, carved and painted masks, and a carved wooden feline/human figure (the so-called "Key Marco cat"). Many of the wooden objects, besides the masks, had been painted. The colors were still vivid when the objects were first removed from the muck. The artifacts were very well preserved due to being buried in the wet conditions.[7]
At the time the pond was excavated, techniques for preserving wood and other fragile materials removed from the muck had not been developed. The colors on the painted objects quickly faded, and many objects quickly deteriorated. But, aphotographer with the excavation party recorded all the objects soon after they were removed from the pond, thus preserving evidence of their appearance.Watercolors were also prepared by Wells M. Sawyer showing the colors of the painted objects.[8]
Dating the finds from the "Court of the Pile Dwellers" has been a problem. Because of the limited knowledge of the archaeological discipline at the time, no record of thestratification of the objects was kept. They cannot be placed in sequence. There is no sign ofEuropean trade goods or influence in the finds.Radiocarbon dating did not exist at the time of excavation.Radiocarbon dating of objects which have been handled and stored away from their original environment for long periods may not be reliable. In the 1960s an attempt to radiocarbon date some objects yielded a date of 1670 AD. A second attempt in 1975 using five different objects yielded dates from 55 AD to 850 AD.[9]
In 1965 Van Beck and Van Beck excavated part of a 4.5 metres (15 ft) tall mound about 200 metres (660 ft) northeast of the "Court of the Pile Dwellers". Two test pits yielded a large of number of potsherds in distinct strata. The potsherds all belong to theGlades periods II and III. The density of the potsherds indicates that the Key Marco site had a high population density, and presumably political complexity during both Glades period II and III.[10][11]
In 1995 the Collier County Historical Society commissioned an archaeological salvage project on an undeveloped portion of Key Marco, supervised by archaeologistsRandolph J. Widmer andRebecca Storey, who trained and led a volunteer labor effort, in association with related organizations. They hoped to be able to establish more context for the archaeological site excavated by Cushing. Evidence was found of threeplatform mound stages, with large houses built on pilings. A stratigraphic analysis found 55 discrete layers, indicated by changes in shell and sand mixture. They found evidence of numerous postholes, which indicated a large structure built on pilings to raise it above the surface of the mound. They found additional evidence of early Glades culture, mostly through pottery remains.[12]
Marco Island was occupied by theMuspa people, corresponding to theTen Thousand Islands district of theGlades culture as defined in archaeology. Around 1300 AD, pottery and artifact styles in the Muspa area changed to become very similar to those of theCalusa people to the north, indicating a close alliance with or absorption by the Calusa.[13]
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