@misc{indiciae9d6d7fb5789e, title = {Field manual for identifying and preserving high-water mark data}, author = {Toby D. Feaster and Todd A. Koenig}, year = {2017}, doi = {10.3133/ofr20171105}, url = {https://pubs.usgs.gov/publication/ofr20171105}, note = {Source identifier: ofr20171105} }