@misc{indiciae72058b8fbda8, title = {Application of GPS and GIS to map channel features in Walnut Creek, Iowa}, author = {K. E. Schilling and C.F. Wolter}, year = {2007}, doi = {10.1111/j.1752-1688.2000.tb05737.x}, url = {https://pubs.usgs.gov/publication/70022084}, note = {Source identifier: 70022084} }