2023 Archaeology Field Season Wrap-Up Posted September 7, 2023 The site packed for the winter.The 65th season of archaeological excavation at Michilimackinac wrapped up August 24 and the site is now secured for the winter. This was our 17th season of work on House E of the Southeast Rowhouse. The most interesting finds of the second half of the field season were remnants of the house itself. The house was burned when the community relocated to Mackinac Island in 1781. The charred wood of the house was partially preserved in the sandy soil the fort was built on.The central cellar.Remnants of the walls and a floorboard in the southeast cellar. One of the defining features of this house is its two cellars. Most of the central cellar (except a portion of the northwest corner) is now five and a half feet deep. Remnants of the burned wall posts can be seen along the edges of the gray sand cellar deposit in the center of the image. The eastern half of the central cellar was also better defined. This cellar had plank walls and remnants of the walls and a floorboard were exposed this season.Humic stains from the north wall of the house (the dark soil at the top of the image. View of the north wall with the tree stump at the back. We were able to identify humic stains from the north wall of the house (the dark soil at the top of the image). Unfortunately we also confirmed that the tree stump we have been working around is right in the center of the east end of the wall trench. In the image you can see how the stump is in line with the reconstructed house wall of another unit of the rowhouse and the dark wall trench stain at the bottom of the image. The tree was not there when the house was; it was planted around 1910 shortly after Michilimackinac became Michigan’s second state park. The roots do not seem to have grown around artifacts, rather they displaced artifacts as they grew. Stay tuned to the MSHP blog to see what interesting things the archaeologists might discover in the lab this winter as the season’s artifacts are cleaned and better identified.
The Season Continues Posted July 20, 2023 Fragment of a white clay smoking pipe stamped with a maker’s mark. The first half of the 2023 Michilimackinac archaeological field season has flown by. The cellars continue to yield interesting artifacts. In addition to the gaming die found during our opening week (Our 65th Season Begins! – Mackinac State Historic Parks | Mackinac State Historic Parks (mackinacparks.com), an unusual white clay smoking pipe bowl fragment was recovered from the north edge of the central cellar. White clay pipe fragments are fairly common, but they are usually plain. This one was stamped with a maker’s mark. The motif is a jumping deer. It was used by a series of Dutch pipemakers in Gouda from 1660 to at least 1776. This is a reminder of the worldwide trade networks of which Michilimackinac was a part.With pieces recovered this year, archaeologists have been able to reconstruct this ointment pot. In the southeast cellar, the most interesting artifacts have been plain white tin-glazed earthenware ceramic sherds. These were able to be matched with some sherds from last season to form an ointment pot. This is the second ointment pot we have been able to reconstruct from the southeast cellar.Pewter button from the 8th Regiment. We also have been working in the northern section of the excavation. At the beginning of this season, most of this area was in the layer of rubble from the 1781 demolition of the fort. Interesting finds from this area include part of a stone smoking pipe bowl, two gilt sequins and two pewter buttons from the 8th Regiment. These are the soldiers who demolished the fort. In some areas all the demolition rubble has been removed, revealing the north wall trench of the building cutting through beach sand. This is easier to see in the west end of the house because a tree was planted in the east of the wall trench in the early twentieth century. While the location of the fort was never forgotten, its interior layout was.The dark area in the photo reveals the north wall trench of the building. The 2023 archaeology season continues through August 19. Visitors to Colonial Michilimackinac can watch archaeologists uncover history seven days a week, weather permitting, until then.
A Closer Look at the Collections: Cameos Posted April 7, 2023 One of the next major projects for Mackinac State Historic Parks will be the reconstruction of a unit on the Southwest Rowhouse at Colonial Michilimackinac. To prepare, MSHP staff have been going over the archaeological records and artifacts from the 1960s, when the unit was originally excavated. Today, our Curator of Archaeology, Dr. Lynn Evans, is looking at a cameo ring recovered in 1962.
Archaeology in Review: Brass Scale Weights Posted March 24, 2023 Weight found in the central cellar.Among the unusual finds from the 2022 Michilimackinac archaeological field season were two brass scale weights. They were found in the cellars of the trader’s house.Nested cups found in the vicinity of the church/blacksmith shop in 1959 The weight from the central cellar was a cup from a set of nesting weights. Of the fourteen brass scale weights ever found at Michilimackinac, all but two are from nesting weights. These are a series of nested cups plus a small solid trapezoidal disc which nests in the smallest cup. The best example of this is three nested cups found in the vicinity of the church/blacksmith shop in 1959. They were fused together in a fire. Over the years four other cup weights have been found. Based on differences in the angle of the sides at least two sets of weights are represented. The recovery of four of the small disc weights indicates a minimum of four sets. The weights are scattered around the fort, with an additional weight from the church, three from the barracks, three from the south southwest rowhouse, one from the southwest rowhouse and one from the Rue de la Babillarde in the southeast quarter of the fort. The cup found in 2022 weighs approximately half of an apothecary dram. It fits into a larger cup weight found in the nearby Rue de la Babillarde. Discs from the barracks, southwest rowhouse and south southwest rowhouse fit into it. We initially interpreted the symbol stamped in the cup as a fleur-de-lis, but further investigation reveals that it is more likely the crossed arrow and key of Nuremberg. Nuremberg was a center of scale making in the seventeenth and eighteenth centuries. The weight from the southeast cellar is unique so far. It is trapezoidal, but much larger and heavier. It weighs an ounce and is stamped “GR” surmounted by a crown. This is almost certainly a reference to King George and indicates British use. The other unique brass scale weight found at Michilimackinac is a small square stamped ½ dram. It was found near the barracks wall in 1959 and is on display in the “Treasures from the Sand” exhibit at Colonial Michilimackinac. What were brass scale weights used for? The small weights are commonly referred to as apothecary weights. It is possible that the weights found in 2022, and the one found in the Rue de la Babillarde were used by Surgeon’s Mate David Mitchell who lived in House D of the Southeast Rowhouse. That would not explain the other scale weights found throughout the fort. It is possible that some of the others were used by merchants to weigh coins or other small but valuable items. In his December 31, 1778 inventory of his personal possessions, John Askin listed:a Weighing Beama smaller Dittoa Comn Weighing Beam old at ye Bakersa Sett of Cast WeightsBaking at Colonial Michilimackinac. The first two weighing beams may have been small balances that would use small weights like this. The last one would have been larger in keeping with the larger measures used by bakers. You can see a large weighing beam in action during the special Askin’s Men and Women at Michilimackinac weekend August 5-6, 2023. The two scale weights recovered in 2022 will be on display in the “Current Archaeology at Michilimackinac” case in the Visitor’s Center when Colonial Michilimackinac opens May 10, 2023.
Archaeological Collections Management at MSHP and the IMLS Posted February 24, 2023 Mackinac State Historic Parks has been conducting archaeological excavations at its sites for over sixty years. This has resulted in the recovery of over one million artifacts and reams of field notes, maps and other documentation of the excavations. Because excavating a site destroys it, preserving these artifacts and records is a crucial part of MSHP’s stewardship mission.Archaeological field records stored in the Petersen Center in Mackinaw City. For many years the artifacts were housed in Lansing, while the records were stored in Mackinaw City. Paper records were microfilmed, with the microfilm stored in a separate location as a physical back-up copy. Today the paper records are scanned instead. In the mid-1990s, MSHP purchased a computerized collections database package. We subsequently received a grant from the federal Institute of Museum and Library Services (IMLS) to enter all the archaeological artifact catalog information into the database. Three data entry clerks were hired for two years to accomplish this task. The biggest gap in the initial data entry project was that the artifacts were still in Lansing, so their exact storage locations could not be entered.Archaeological artifact cabinets in the Petersen Center. With the completion of the Petersen Center in 2001, the archaeological collections were moved north. The vast majority are housed in the Petersen Center, but building materials, such as chinking and nails, which have less strict climate control requirements, are stored at Mill Creek. Once the collection was moved north, staff attempted to update the database with location information, but the task was too big to complete alongside other duties. In 2010 another IMLS grant was secured to hire three inventory assistants. Over the course of two years, they physically inventoried and updated the database record for all the Michilimackinac archaeological artifacts housed in the Petersen Center.Building materials stored at Mill Creek. While the Michilimackinac collection makes up the majority of the archaeological collection, major excavations have been carried out at Fort Mackinac and Historic Mill Creek Discovery Park as well. Last year MSHP received another IMLS grant to inventory and update records for the Mill Creek artifacts and some of the Fort Mackinac artifacts. This grant will also include inventory and re-housing of a portion of the architectural artifacts stored at Mill Creek. This project began in October 2022 and will continue through August 2025.Alex Michnick inventorying Mill Creek ceramics. These grants have assisted MSHP in fulfilling the preservation aspect of its mission. By making the archaeological collection more accessible to staff and researchers, they also have made presenting the results of our archaeological investigations easier as well. Archaeological artifacts are exhibited to the public at all MSHP sites providing a tangible connection to the lives of the people who lived and worked at the sites in the past.
From the Collection: Artifacts of Literacy Posted February 3, 2023 One of the next major projects for Mackinac State Historic Parks will be the reconstruction of a unit on the Southwest Rowhouse. To prepare, MSHP staff have been going over the archaeological records and artifacts from the 1960s, when the unit was originally excavated. Today we’re taking a look at various artifacts of literacy, including pencils and a pen knife. Curator of Archaeology Dr. Lynn Evans takes us through this peek at the collection.
Archaeology at Fort Mackinac – Provision Storehouse Posted January 27, 2023 The “Store House” is the structure labeled “I” on the west end of the fort on this drawing from 1796. Credit: Historical Society of PennsylvaniaOne of the largest archaeological excavations to take place at Fort Mackinac was at the site of the original provision storehouse. This excavation was carried out during the summers of 1981-82 by University of South Florida field schools directed by Dr. Roger T. Grange Jr. These were part of the commemoration of the bicentennial of Fort Mackinac. Dr. Grange’s final report was published as Number 12 in the Mackinac State Historic Parks’ Archaeological Completion Report Series (Excavations at Fort Mackinac, 1980-1982: The Provision Storehouse – Mackinac State Historic Parks | Mackinac State Historic Parks (mackinacparks.com) and was the basis of this blog post. The provision storehouse is an unusual structure because is has been excavated twice, in two different locations. It was originally built by British soldiers just inside the water gate at Michilimackinac (on the south side of the straits) in 1773. Being a relatively new building, it was moved to Mackinac Island when the garrison was relocated in 1781 and appears on early maps of Fort Mackinac. The mainland site was excavated in 1959 and the storehouse reconstructed in 1961. Today it houses the orientation film at Colonial Michilimackinac.Scissors from the early American occupation.Leather shoe parts from post War of 1812 deposit. On the island, the structure served as a storehouse through the first British occupation (1780-1796), the first American occupation (1796-1812) and the second British occupation (1812-1815). After the War of 1812, it was converted into a barracks, with workspace for military tailors and shoemakers, and a hospital. Its use as a hospital (1815-1827) overlapped with the service of Fort Mackinac’s most famous post surgeon, Dr. William Beaumont. A portion of the storehouse appears as a log structure next to the 1827 hospital painted by Mary Nexsen Thompson shortly before it burned down days before completion.Microscope lens, possibly used by Dr. Beaumont.Mary Nexsen Thompson painting of 1827 hospital with portion of storehouse. Credit: William L. Clements Library, University of Michigan A completely new hospital building was constructed in 1828, over the middle of the storehouse/1827 hospital, but oriented north-south instead of northeast-southwest like the original. A portion of the west end of the provision storehouse behind the 1828 hospital was the area of the archaeological excavation. No remnants of the provision storehouse are visible today, but you can stand on the original location while touring Fort Mackinac (opens May 4, 2023). You can also visit the reconstruction of the original provision storehouse at Colonial Michilimackinac (opens May 10, 2023) and learn more about Dr. Beaumont’s work at the American Fur Co. Store & Dr. Beaumont Museum in downtown Mackinac Island (opens June 3, 2023).
2022 Archaeology Field Season Wrap-Up Posted September 9, 2022 Possible milk pan.Potential sugar bowl. The second half of the 2022 Michilimackinac archaeology field season was as interesting as the first half, with several complementary finds. We found three more rim sherds in the southeast cellar which matched the large piece of bowl (more info here) found the first week of the season. From these, we can see that the vessel had a spout and may have been a milk pan used to cool milk fresh from the cow and allow the cream to separate. The southeast cellar also contained three pieces of what appears to be a sugar bowl, a large fragment of a saucer and several pieces of an unknown vessel with the handle broken off.Large fragment of a saucer.Unknown vessel with handle broken. Buttplate from a trade gun. The southeast cellar also yielded part of a buttplate from a trade gun. It does not match the buttplate finial found earlier in the season. It is thicker and engraved with a different motif. Brass scale weight. The central cellar yielded a second brass scale weight. It was in the form of a cup, from a nested set of weights. It weighed half of an apothecary dram and is stamped with what appears to be a fleur-de-lis. Joined sleeve buttonsEarring fragment. Following the single sleeve button found in June, a linked pair of sleeve buttons and an earring fragment were found in August. All had green paste stones, and all were found in the 1781 demolition rubble layer. Padlock The final unusual find of the season was a small padlock found in the southeast cellar [image 20220818_padlock]. It was only 1.75” tall. This fits in well with the image we have constructed of a wealthy household, as you do not need a lock unless you have something to protect. The site is now lined with plastic and packed with hay bales for the winter. Work has shifted to the lab, where the artifacts will be cleaned, sorted, counted, and identified over the coming months.
Mid-Season Archaeology Update Posted July 22, 2022 One-ounce brass weightFolded barrel band in front of remnant of a cellar wall post The first half of the 2022 Michilimackinac archaeological field season has been very productive. The southeast cellar continues to yield interesting artifacts, including a one-ounce brass weight from a balance-type scale. It is stamped with “GR” under a crown for King George. Two possible posts from the east wall of the cellar have been exposed. A folded iron barrel band was found adjacent to one of the posts. Several interesting artifacts have come from the central cellar as well. These have included part of a porcelain teacup, a lead seal, a plain brass button, and a brass band with iron rivets, possibly from a storage container. The squares on the newly-opened north row are all in or very near the 1781 demolition rubble layer. As in other areas of this house, a variety of ceramic sherds and ornate personal adornment items have been recovered. The adornment items include a green paste sleeve button and a shoe buckle fragment. The finial from the buttplate of a French trade gun was a more unusual find. A few artifacts possibly related to Anishnaabek presence have been found as well. These include several pieces of a stone smoking pipe bowl and a fragment of carved antler.This sleeve button would have functioned much like a cufflink today.This buckle fragment is probably from a shoe. The long side is 1.75” long.Finial from the buttplate of a French trade gun
Re-opening the Archaeological Site at Michilimackinac Posted June 10, 2022 The House E site with all of the squares open.Map of British features of House D showing House E cellar (F.866) to west of common wall separating Houses D & E.Late May saw the beginning of the 64th archaeological field season at Michilimackinac. We are continuing to excavate the rowhouse unit we have been working on since 2007. We have opened three new squares where we expect to find remains of the trench for the north wall of the house. This should be as wide as the excavation for this project expands. The house walls do not fall exactly in line with the grid. Because of this, when we excavated the rowhouse unit to the east (House D) in the 1990s, we excavated about a foot of the current house (House E) as well. In doing so, we uncovered the edge of the root cellar in the southeast corner of House E. We reached the bottom of the western two-thirds of this cellar at the end of last season. Now we have uncovered the eastern third, which we had protected and re-buried when we backfilled House D in 1997. Our first exciting find of the season came from the east section of the cellar, most of a redware bowl with a green-glazed border. We had found a matching rim sherd in the western edge of the cellar in 2018. The dark crescent-shaped area is the cellar. The rocky sand is the beach underlying the fort.Bowl with rim fragment from 2018 held in place.
