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Interpreting Room 3
The Dates: The six 1908 cutting or near cutting dates clearly indicate construction of the jacal wall in Room 3 in that year; the two 1907+B timbers were probably harvested at the same time. The terminal rings of the 1908 samples—complete Douglas-fir, pinyon, and juniper samples, and two incomplete juniper samples—indicate that the wall was built in the fall of 1908 after the end of the Douglas-fir and Pinyon growing seasons, but before the end of the juniper growing season. The 1922vv date from sample MMH-14 indicates that the masonry wall on the south side of Room 3 was added later, probably as a replacement for a previous jacal wall.
The Wood Species: Juniper was clearly the species preferred for the jacal wall, although Pinyon and Douglas-fir were also used. Juniper was probably acceptable because the wall beams did not need to be long or large, and it was easy to procure.