@misc{indiciae9c791275f0ce, title = {Water resources data for Minnesota, 1966; Part 1. Surface water records and Part 2. Water quality records}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1967}, doi = {10.3133/wdrmn6612}, url = {https://pubs.usgs.gov/publication/wdrMN6612}, note = {Source identifier: wdrMN6612} }