@misc{indiciae045988e424b7, title = {Hydrogeomorphic Regions of the Chesapeake Bay Watershed: HGMR}, author = {John W. Brakebill and S.K. Kelley}, year = {2000}, doi = {10.3133/ofr00424}, url = {https://pubs.usgs.gov/publication/ofr00424}, note = {Source identifier: ofr00424} }