TY - RPRT TI - A seismic-reflection investigation of gas hydrates and sea-floor features of the upper continental slope of the Garden Banks and Green Canyon regions, northern Gulf of Mexico: report for cruise G1-99-GM (99002) AU - Alan Cooper AU - David Twichell AU - Patrick Hart PY - 1999 DO - 10.3133/ofr99570 UR - https://pubs.usgs.gov/publication/ofr99570 ID - ofr99570 ER -