@misc{indiciaed748dcc80fe8, title = {Co-rich ferromanganese deposits in the marginal seamount regions of the Central Pacific Basin, results of the Midpac 1981}, author = {P. Halbach and Frank T. Manheim and Peter Otten}, year = {1982}, url = {https://pubs.usgs.gov/publication/70207337}, note = {Source identifier: 70207337} }