@misc{indiciae26f5079743c5, title = {SHRIMP study of zircons from Early Archean rocks in the Minnesota River Valley: Implications for the tectonic history of the Superior Province}, author = {M. E. Bickford and J. L. Wooden and R. L. Bauer}, year = {2006}, doi = {10.1130/b25741.1}, url = {https://pubs.usgs.gov/publication/70030898}, note = {Source identifier: 70030898} }