@misc{indiciae28539dbde663, title = {The United States Geological Survey, its origin, development, organization, and operations}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1904}, doi = {10.3133/b227}, url = {https://pubs.usgs.gov/publication/b227}, note = {Source identifier: b227} }