TY - RPRT TI - Composition of Co-rich ferromanganese crusts and substrate rocks from the NW Marshall Islands and international waters to the north, Tunes 6 cruise AU - James R. Hein AU - S.E. Zielinski AU - Hubert Staudigel AU - Se-Won Chang AU - Michelle Greene AU - M. S. Pringle PY - 1997 DO - 10.3133/ofr97482 UR - https://pubs.usgs.gov/publication/ofr97482 ID - ofr97482 ER -