Correction for Guiterman et al., Eleventh-century shift in timber procurement areas for the great houses of Chaco Canyon

ANTHROPOLOGY Correction for “Eleventh-century shift in timber procurement areas for the great houses of Chaco Canyon,” by Christopher H. Guiterman, Thomas W. Swetnam, and Jeffrey S. Dean, which appeared in issue 5, February 2, 2016, of Proc Natl Acad Sci USA (113:1186–1190; first published December 7, 2015; 10.1073/pnas.1514272112).

The authors note that, due to a printer’s error, two data deposition links published incorrectly. For the tree-ring chronologies on the International Tree-Ring Data Bank, the link for accession no. NM588 should be https://www.ncdc.noaa.gov/cdo/f?p=519:1:0::::P1_STUDY_ID:19279 and the link for accession no. NM589 should be https://www.ncdc.noaa.gov/cdo/f?p=519:1:::::P1_STUDY_ID:19280.

The authors also note that, due to a printer’s error, the following text appeared incorrectly: on page 1, right column, first paragraph, lines 6 and 7, “₈₇Sr/₈₆Sr” should instead appear as “⁸⁷Sr/⁸⁶Sr.”