@misc{indiciae0020f75d0c3e, title = {Marinas, mines, and mudpots. Building a feature-based production system at the U.S. geological survey}, author = {Gary B. Chappell and Kathryn C. Neff}, year = {1991}, url = {https://pubs.usgs.gov/publication/70015582}, note = {Source identifier: 70015582} }