The Siskiyou Trail: The Archaeology of an Emigrant Wagon Road


During the summer of 2002, SOU archeologists conducted an archeological survey of a 2.5 km long section of the Siskiyou Trail, a portion of the Oregon-California trail that, beginning in the 1820's, linked the expanding Euro-American population centers the Willamette Valley and the Sacramento Valley/San Francisco area. 

This survey was conducted for the Medford BLM, and the project area lies on the Cascade-Siskiyou National Monument. 

Research into historic documents and survey maps by Richard Silva and Dale Wilson of the Oregon-California Trails Association mapped the various incarnations of the trail, which has played a significant role in many threads of the State of Jefferson's history.

Shasta and Takelma people for millennia likely used the trail, and Indian people guided Hudson's Bay Company fur trapper Peter Skene Ogden over the Siskiyou Summit in 1827. 

After being used as a fir trader's route, the trail was 'opened' by Ewing Young in the 1830's when he drove cattle over the summit from California to provision (in the face of English interests) the burgeoning American settlements in the Willamette Valley. 

The trail was also used by thousands of white Oregonians following the discovery of gold in northern California in 1848, and the 'gold rush' in turn spurred the rapid settlement of the Rogue Valley. 

The Siskiyou summit was one arena of conflict during the Rogue River wars, as Indians and Pioneers fought for possession of the State of Jefferson. 

In the final decades of the 19th century, development of the trail mirrored the attempts by the victorious Americans to integrate themselves into a larger, capitalistic, landscape: the trail was re-engineered and re-plotted as a toll road in 1860; a telegraph line was completed in 1864; and the Southern Pacific Railroad was completed in 1887. 

Maps

More detailed historical research plotted these various trail incarnations in and around the project area. According to old survey records, a segment of the Hudson's Bay Company (HBC) trail, the gold rush pack trail, and the earliest emigrant wagon route just north of the Oregon-California border was abandoned in 1860 with the completion of the toll road. 

Our archeological survey was designed to verify the existence of this per-1860. Metal detector transects placed on the predicted route of the old trail, as well as off the trail for control, were used for this purpose. 

The survey resulted in the recovery of 190 metal artifacts including horse, oxen, and mule shoes, draft animal shoe nails, wagon parts, and other objects. All artifacts were plotted using a GPS unite, and form a path that confirms in close detail to pre-1860 maps of this section of the Oregon-California trail. 

View artifacts found during the survey. Other Project Pictures

These remains are reasonably identified with the portion of the trail used by the HBC after 1827, and by the first gold miners and emigrants to cross between Oregon and California in the late 1840's and 1850's. The 2.5 km segment of trail constitutes a historically and culturally significant resource and is eligible for inclusion in the National Register of Historic Places.

The project also demonstrated the value of cooperation between professional and a vocational archeologists and historians. Given the significance and integrity of this segment of the Siskiyou Trail, land managers need to take other segments, as yet undocumented through archeological survey, into consideration. 

In this, professional archeologists have an ally in the Oregon-California Trails Association, whose background research and field efforts have already provided the historic context and described the routes of emigrant trails throughout the Far West.

  Timeline 

 “The Valley of Ashland looked inviting, even though there was no settlement. The Oregon Trail was being heavily used by those going to and from California. Small well-trained mules were essential to this type of work. They were sturdy enough to carry a 250 pound pack from daylight to dark; sure footed and tough, they made ideal pack animals.” ­ Cornelius Hills, 1851

 

Maps
Click on thumbnail to enlarge Old map of the Oregon/California Trail

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1860 toll road survey overlaid on the map of artifact recoveries

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Map of historical field notes.

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Map of area surveyed with metal detectors.

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Map of artifact recoveries.

  Project pictures.
  View recovered artifacts

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