@misc{indiciae5a5a7510297e, title = {Water movement within the unsaturated zone in four agricultural areas of the United States}, author = {L.H. Fisher and R. W. Healy}, year = {2008}, doi = {10.2134/jeq2006.0561}, url = {https://pubs.usgs.gov/publication/70033566}, note = {Source identifier: 70033566} }