@misc{indiciae1b4ff26a2285, title = {A guide to the design of surface-water-quality studies}, author = {R. C. Averett and L.J. Schroder}, year = {1994}, doi = {10.3133/ofr93105}, url = {https://pubs.usgs.gov/publication/ofr93105}, note = {Source identifier: ofr93105} }