@misc{indiciae068d7b995713, title = {Precambrian crustal blocks in Minnesota: Neodymium isotope evidence from basement and metasedimentary rocks}, author = {S. R. Hemming and G. N. Hanson and S. M. McLennan}, year = {1995}, doi = {10.3133/b1904u}, url = {https://pubs.usgs.gov/publication/b1904U}, note = {Source identifier: b1904U} }