@misc{indiciaee633b4e0b129, title = {Instructions to rain-fall observers of U.S. Geological Survey}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1889}, doi = {10.3133/70046399}, url = {https://pubs.usgs.gov/publication/70046399}, note = {Source identifier: 70046399} }