@misc{indiciae208060ce2acd, title = {Water resources data, Maryland and Delaware, water year 1997, volume 1. surface-water data}, author = {Robert W. James and Bernard M. Helinsky and Anthony J. Tallman}, year = {1998}, doi = {10.3133/wdrmdde971}, url = {https://pubs.usgs.gov/publication/wdrMDDE971}, note = {Source identifier: wdrMDDE971} }