@misc{indiciaea04991ac7339, title = {United States‐Mexican border watershed assessment: Modeling nonpoint source pollution in Ambos Nogales}, author = {Laura M. Norman}, year = {2007}, doi = {10.1080/08865655.2007.9695670}, url = {https://pubs.usgs.gov/publication/70180897}, note = {Source identifier: 70180897} }