@misc{indiciae36024d80cb37, title = {Flood of March 3, 1970, on Old Mans Creek, Johnson County, Iowa}, author = {H.H. Schwob}, year = {1970}, doi = {10.3133/ofr70293}, url = {https://pubs.usgs.gov/publication/ofr70293}, note = {Source identifier: ofr70293} }