Interstate 25 cuts through dipping strata that form hogback ridges between the Great Plains and the south end of the Rocky Mountains. The Santa Fe Trail from here to Santa Fe, followed a natural valley eroded in less resistant strata between the mountains to the north and Glorieta Mesa to the south. Elevation 6,200 feet.

Marker is at the intersection of Interstate 25 at milepost 339 and U.S. 84, on the right when traveling north on Interstate 25.

Courtesy hmdb.org

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