@misc{indiciae7ea3fc21764c, title = {The U.S. Geological Survey Federal-State cooperative water-resources program fiscal year 1989}, author = {B.K. Gilbert and W.B. Mann}, year = {1990}, doi = {10.3133/ofr90353}, url = {https://pubs.usgs.gov/publication/ofr90353}, note = {Source identifier: ofr90353} }