Campaign label Optional label/name Date/Time start Location start Date/Time end Location end Chief scientists Expedition program Report BSH ID Report (preprint) Weekly reports Expedition map Event list Data Mastertrack Scientific report Leg96 1983-09-29 1983-11-08 Bouma, Arnold H; Coleman, James M doi:10.2973/dsdp.proc.96.1986 https://www.pangaea.de/expeditions/events/Leg96 https://www.pangaea.de/?q=campaign:label:%22Leg96%22 Leg95 1983-08-24 1983-09-23 Poag, C Wylie; Watts, Anthony B doi:10.2973/dsdp.proc.95.1987 https://www.pangaea.de/expeditions/events/Leg95 https://www.pangaea.de/?q=campaign:label:%22Leg95%22 Leg94 1983-07-01 1983-08-13 Ruddiman, William F; Kidd, Robert B doi:10.2973/dsdp.proc.94.1987 https://www.pangaea.de/expeditions/events/Leg94 https://www.pangaea.de/?q=campaign:label:%22Leg94%22 Leg93 1983-05-04 1983-06-17 van Hinte, Jan E doi:10.2973/dsdp.proc.93.1987 https://www.pangaea.de/expeditions/events/Leg93 https://www.pangaea.de/?q=campaign:label:%22Leg93%22 Leg92 1983-02-23 1983-04-18 Leinen, Margaret W; Rea, David K doi:10.2973/dsdp.proc.92.1986 https://www.pangaea.de/expeditions/events/Leg92 https://www.pangaea.de/?q=campaign:label:%22Leg92%22 Leg91 1983-01-16 1983-02-21 Menard, H William; Natland, James H; Jordan, Thomas H; Orcutt, John A doi:10.2973/dsdp.proc.91.1987 https://www.pangaea.de/expeditions/events/Leg91 https://www.pangaea.de/?q=campaign:label:%22Leg91%22 Leg90 1982-12-02 1983-01-08 von der Borch, Christopher C; Kennett, James P doi:10.2973/dsdp.proc.90.1986 https://www.pangaea.de/expeditions/events/Leg90 https://www.pangaea.de/?q=campaign:label:%22Leg90%22 Leg89 1982-10-17 1982-11-23 Moberly, Ralph; Schlanger, Seymour O doi:10.2973/dsdp.proc.89.1986 https://www.pangaea.de/expeditions/events/Leg89 https://www.pangaea.de/?q=campaign:label:%22Leg89%22 Leg88 1982-08-23 1982-09-14 Duennebier, Frederick K; Stephen, Ralph A; Menard, H William; Natland, James H doi:10.2973/dsdp.proc.88.1987 https://www.pangaea.de/expeditions/events/Leg88 https://www.pangaea.de/?q=campaign:label:%22Leg88%22 Leg87 1982-06-27 1982-08-17 Lancelot, Yves; Kagami, Hideo; Karig, Daniel E doi:10.2973/dsdp.proc.87.1986 https://www.pangaea.de/expeditions/events/Leg87 https://www.pangaea.de/?q=campaign:label:%22Leg87%22 Leg86 1982-05-15 1982-06-14 Heath, G Ross; Burckle, Lloyd H doi:10.2973/dsdp.proc.86.1985 https://www.pangaea.de/expeditions/events/Leg86 https://www.pangaea.de/?q=campaign:label:%22Leg86%22 Leg85 1982-03-18 1982-04-25 Theyer, Fritz doi:10.2973/dsdp.proc.85.1985 https://www.pangaea.de/expeditions/events/Leg85 https://www.pangaea.de/?q=campaign:label:%22Leg85%22 Leg84 1982-01-10 1982-02-26 von Huene, Roland; Aubouin, Jean doi:10.2973/dsdp.proc.84.1985 https://www.pangaea.de/expeditions/events/Leg84 https://www.pangaea.de/?q=campaign:label:%22Leg84%22 Leg83 1981-11-14 1982-01-05 Anderson, Roger N; Honnorez, Jose J doi:10.2973/dsdp.proc.83.1985 https://www.pangaea.de/expeditions/events/Leg83 https://www.pangaea.de/?q=campaign:label:%22Leg83%22 Leg82 1981-09-21 1981-11-02 Bougault, Henri; Cande, Steven C doi:10.2973/dsdp.proc.82.1985 https://www.pangaea.de/expeditions/events/Leg82 https://www.pangaea.de/?q=campaign:label:%22Leg82%22 Leg81 1981-07-27 1981-09-21 Roberts, David G; Schnitker, Detmar doi:10.2973/dsdp.proc.81.1984 https://www.pangaea.de/expeditions/events/Leg81 https://www.pangaea.de/?q=campaign:label:%22Leg81%22 Leg80 1981-05-30 1981-07-22 de Graciansky, Pierre C; Poag, C Wylie doi:10.2973/dsdp.proc.80.1985 https://www.pangaea.de/expeditions/events/Leg80 https://www.pangaea.de/?q=campaign:label:%22Leg80%22 Leg79 1981-04-16 1981-05-23 Hinz, Karl; Winterer, Edward L doi:10.2973/dsdp.proc.79.1984 https://www.pangaea.de/expeditions/events/Leg79 https://www.pangaea.de/?q=campaign:label:%22Leg79%22 Leg78 Leg78AB 1981-02-12 1981-04-08 Biju-Duval, Bernard; Moore, John C; Hyndman, R D; Salisbury, Matthew H doi:10.2973/dsdp.proc.78a.1984 https://www.pangaea.de/expeditions/events/Leg78 https://www.pangaea.de/?q=campaign:label:%22Leg78%22 Leg77 1980-12-27 1981-01-30 Buffler, Richard T; Schlager, Wolfgang doi:10.2973/dsdp.proc.77.1984 https://www.pangaea.de/expeditions/events/Leg77 https://www.pangaea.de/?q=campaign:label:%22Leg77%22 Leg76 1980-10-11 1980-12-21 Sheridan, Robert E; Gradstein, Felix M doi:10.2973/dsdp.proc.76.1983 https://www.pangaea.de/expeditions/events/Leg76 https://www.pangaea.de/?q=campaign:label:%22Leg76%22 Leg75 1980-07-27 1980-09-06 Hay, William W; Sibuet, Jean-Claude doi:10.2973/dsdp.proc.75.1984 https://www.pangaea.de/expeditions/events/Leg75 https://www.pangaea.de/?q=campaign:label:%22Leg75%22 Leg74 1980-06-09 1980-07-21 Rabinowitz, Philip D doi:10.2973/dsdp.proc.74.1984 https://www.pangaea.de/expeditions/events/Leg74 https://www.pangaea.de/?q=campaign:label:%22Leg74%22 Leg73 1980-04-13 1980-06-01 Hsü, Kenneth J; LaBrecque, John L doi:10.2973/dsdp.proc.73.1984 https://www.pangaea.de/expeditions/events/Leg73 https://www.pangaea.de/?q=campaign:label:%22Leg73%22 Leg72 1980-02-28 1980-04-05 Barker, Peter F; Johnson, David A; Carlson, Richard L doi:10.2973/dsdp.proc.72.1983 https://www.pangaea.de/expeditions/events/Leg72 https://www.pangaea.de/?q=campaign:label:%22Leg72%22 Leg71 1980-01-14 1980-02-14 Ludwig, William J; Krasheninnikov, Valery A doi:10.2973/dsdp.proc.71.1983 https://www.pangaea.de/expeditions/events/Leg71 https://www.pangaea.de/?q=campaign:label:%22Leg71%22 Leg70 1979-11-11 1979-12-14 Honnorez, Jose J; von Herzen, Richard P doi:10.2973/dsdp.proc.70.1983 https://www.pangaea.de/expeditions/events/Leg70 https://www.pangaea.de/?q=campaign:label:%22Leg70%22 Leg69 1979-09-19 1979-10-26 Cann, Joe R; White, S M doi:10.2973/dsdp.proc.69.1983 https://www.pangaea.de/expeditions/events/Leg69 https://www.pangaea.de/?q=campaign:label:%22Leg69%22 Leg68 1979-07-07 1979-09-08 Prell, Warren L; Gardner, James V doi:10.2973/dsdp.proc.68.1982 https://www.pangaea.de/expeditions/events/Leg68 https://www.pangaea.de/?q=campaign:label:%22Leg68%22 Leg67 1979-05-15 1979-06-23 Aubouin, Jean; von Huene, Roland doi:10.2973/dsdp.proc.67.1982 https://www.pangaea.de/expeditions/events/Leg67 https://www.pangaea.de/?q=campaign:label:%22Leg67%22 Leg66 1979-03-18 1979-05-02 Watkins, Joel S; Moore, John C doi:10.2973/dsdp.proc.66.1982 https://www.pangaea.de/expeditions/events/Leg66 https://www.pangaea.de/?q=campaign:label:%22Leg66%22 Leg65 1979-01-23 1979-03-07 Robinson, Paul T doi:10.2973/dsdp.proc.65.1983 https://www.pangaea.de/expeditions/events/Leg65 https://www.pangaea.de/?q=campaign:label:%22Leg65%22 Leg64 1978-12-01 1979-01-09 Curray, Joseph R; Moore, David G doi:10.2973/dsdp.proc.64.1982 https://www.pangaea.de/expeditions/events/Leg64 https://www.pangaea.de/?q=campaign:label:%22Leg64%22 Leg63 1978-10-09 1978-11-26 Yeats, Robert S doi:10.2973/dsdp.proc.63.1981 https://www.pangaea.de/expeditions/events/Leg63 https://www.pangaea.de/?q=campaign:label:%22Leg63%22 Leg62 1978-07-29 1978-09-07 Thiede, Jörn; Vallier, Tracy L doi:10.2973/dsdp.proc.62.1981 https://www.pangaea.de/expeditions/events/Leg62 https://www.pangaea.de/?q=campaign:label:%22Leg62%22 Leg61 1978-05-22 1978-07-29 Larson, Roger L; Schlanger, Seymour O doi:10.2973/dsdp.proc.61.1981 https://www.pangaea.de/expeditions/events/Leg61 https://www.pangaea.de/?q=campaign:label:%22Leg61%22 Leg60 1978-03-15 1978-05-15 Hussong, Donald M; Uyeda, Seiya doi:10.2973/dsdp.proc.60.1982 https://www.pangaea.de/expeditions/events/Leg60 https://www.pangaea.de/?q=campaign:label:%22Leg60%22 Leg59 1978-02-03 1978-03-14 Kroenke, Loren W; Scott, Robert doi:10.2973/dsdp.proc.59.1981 https://www.pangaea.de/expeditions/events/Leg59 https://www.pangaea.de/?q=campaign:label:%22Leg59%22 Leg58 1977-12-04 1978-01-30 Moore, David G doi:10.2973/dsdp.proc.58.1980 https://www.pangaea.de/expeditions/events/Leg58 https://www.pangaea.de/?q=campaign:label:%22Leg58%22 Leg57 1977-10-18 1977-11-23 Langseth, Marcus G; von Huene, Roland; Okada, H; Nasu, Noriyuki doi:10.2973/dsdp.proc.5657.1980 https://www.pangaea.de/expeditions/events/Leg57 https://www.pangaea.de/?q=campaign:label:%22Leg57%22 Leg56 1977-09-11 1977-10-07 Langseth, Marcus G; von Huene, Roland; Okada, H; Nasu, Noriyuki doi:10.2973/dsdp.proc.5657.1980 https://www.pangaea.de/expeditions/events/Leg56 https://www.pangaea.de/?q=campaign:label:%22Leg56%22 Leg55 1977-07-18 1977-09-06 Jackson, Everett D; Koizumi, Itaru doi:10.2973/dsdp.proc.55.1980 https://www.pangaea.de/expeditions/events/Leg55 https://www.pangaea.de/?q=campaign:label:%22Leg55%22 Leg54 1977-04-30 1977-06-18 Hekinian, Roger; Rosendahl, Bruce R doi:10.2973/dsdp.proc.54.1980 https://www.pangaea.de/expeditions/events/Leg54 https://www.pangaea.de/?q=campaign:label:%22Leg54%22 Leg53 1977-03-12 1977-04-21 Flower, Martin F J doi:10.2973/dsdp.proc.515253.1980 https://www.pangaea.de/expeditions/events/Leg53 https://www.pangaea.de/?q=campaign:label:%22Leg53%22 Leg52 1977-01-22 1977-03-08 Bryan, Wilfred B; Robinson, Paul T doi:10.2973/dsdp.proc.515253.1980 https://www.pangaea.de/expeditions/events/Leg52 https://www.pangaea.de/?q=campaign:label:%22Leg52%22 Leg51 1976-11-20 1977-01-17 Donelly, Thomas W; Francheteau, Jean doi:10.2973/dsdp.proc.515253.1980 https://www.pangaea.de/expeditions/events/Leg51 https://www.pangaea.de/?q=campaign:label:%22Leg51%22 Leg50 1976-09-14 1976-11-11 Lancelot, Yves; Winterer, Edward L doi:10.2973/dsdp.proc.50.1980 https://www.pangaea.de/expeditions/events/Leg50 https://www.pangaea.de/?q=campaign:label:%22Leg50%22 Leg49 1976-07-18 1976-09-04 Luyendyk, Bruce P; Cann, Joe R doi:10.2973/dsdp.proc.49.1979 https://www.pangaea.de/expeditions/events/Leg49 https://www.pangaea.de/?q=campaign:label:%22Leg49%22 Leg48 1976-05-12 1976-07-13 Montadert, Lucien; Roberts, David G doi:10.2973/dsdp.proc.48.1979 https://www.pangaea.de/expeditions/events/Leg48 https://www.pangaea.de/?q=campaign:label:%22Leg48%22 Leg47 1976-03-20 1976-05-10 von Rad, Ulrich doi:10.2973/dsdp.proc.47-1.1979 https://www.pangaea.de/expeditions/events/Leg47 https://www.pangaea.de/?q=campaign:label:%22Leg47%22 Leg46 1976-01-28 1976-03-02 Dmitriev, Leonid V doi:10.2973/dsdp.proc.46.1979 https://www.pangaea.de/expeditions/events/Leg46 https://www.pangaea.de/?q=campaign:label:%22Leg46%22 Leg45 1975-11-30 1976-01-20 Melson, William G; Rabinowitz, Philip D doi:10.2973/dsdp.proc.45.1979 https://www.pangaea.de/expeditions/events/Leg45 https://www.pangaea.de/?q=campaign:label:%22Leg45%22 Leg44 1975-08-05 1975-09-30 Sheridan, Robert E doi:10.2973/dsdp.proc.44.1978 https://www.pangaea.de/expeditions/events/Leg44 https://www.pangaea.de/?q=campaign:label:%22Leg44%22 Leg43 1975-06-13 1975-08-12 Tucholke, Brian E; Vogt, Peter R doi:10.2973/dsdp.proc.43.1979 https://www.pangaea.de/expeditions/events/Leg43 https://www.pangaea.de/?q=campaign:label:%22Leg43%22 Leg42 1975-04-04 1975-06-11 Montadert, Lucien; Ross, David A; Neprochnov, Yuri P doi:10.2973/dsdp.proc.42-1.1978 https://www.pangaea.de/expeditions/events/Leg42 https://www.pangaea.de/?q=campaign:label:%22Leg42%22 Leg41 1975-02-17 1975-04-10 Lancelot, Yves; Seibold, Eugen doi:10.2973/dsdp.proc.41.1978 https://www.pangaea.de/expeditions/events/Leg41 https://www.pangaea.de/?q=campaign:label:%22Leg41%22 Leg40 1974-12-17 1975-02-15 Bolli, Hans M doi:10.2973/dsdp.proc.40.1978 https://www.pangaea.de/expeditions/events/Leg40 https://www.pangaea.de/?q=campaign:label:%22Leg40%22 Leg39 1974-10-06 1974-12-17 Perch-Nielsen, Katharina; Supko, Peter R doi:10.2973/dsdp.proc.39.1977 https://www.pangaea.de/expeditions/events/Leg39 https://www.pangaea.de/?q=campaign:label:%22Leg39%22 Leg38 1974-07-29 1974-09-26 Talwani, Manik doi:10.2973/dsdp.proc.38.1976 https://www.pangaea.de/expeditions/events/Leg38 https://www.pangaea.de/?q=campaign:label:%22Leg38%22 Leg37 1974-05-30 1974-07-22 Aumento, Fabrizio; Melson, William G doi:10.2973/dsdp.proc.37.1977 https://www.pangaea.de/expeditions/events/Leg37 https://www.pangaea.de/?q=campaign:label:%22Leg37%22 Leg36 1974-04-04 1974-05-22 Barker, Peter F doi:10.2973/dsdp.proc.36.1977 https://www.pangaea.de/expeditions/events/Leg36 https://www.pangaea.de/?q=campaign:label:%22Leg36%22 Leg35 1974-02-13 1974-03-30 Hollister, Charles D; Craddock, Campbell doi:10.2973/dsdp.proc.35.1976 https://www.pangaea.de/expeditions/events/Leg35 https://www.pangaea.de/?q=campaign:label:%22Leg35%22 Leg34 1973-12-20 1974-02-02 Yeats, Robert S; Hart, Stanley R doi:10.2973/dsdp.proc.34.1976 https://www.pangaea.de/expeditions/events/Leg34 https://www.pangaea.de/?q=campaign:label:%22Leg34%22 Leg33 1973-11-02 1973-12-17 Schlanger, Seymour O; Jackson, Everett D doi:10.2973/dsdp.proc.33.1976 https://www.pangaea.de/expeditions/events/Leg33 https://www.pangaea.de/?q=campaign:label:%22Leg33%22 Leg32 1973-08-16 1973-10-10 Larson, Roger L; Moberly, Ralph doi:10.2973/dsdp.proc.32.1975 https://www.pangaea.de/expeditions/events/Leg32 https://www.pangaea.de/?q=campaign:label:%22Leg32%22 Leg31 1973-06-13 1973-08-04 Karig, Daniel E doi:10.2973/dsdp.proc.31.1975 https://www.pangaea.de/expeditions/events/Leg31 https://www.pangaea.de/?q=campaign:label:%22Leg31%22 Leg30 1973-04-24 1973-06-13 Andrews, James E; Packham, Gordon doi:10.2973/dsdp.proc.30.1975 https://www.pangaea.de/expeditions/events/Leg30 https://www.pangaea.de/?q=campaign:label:%22Leg30%22 Leg29 1973-03-02 1973-04-17 Houtz, Robert E doi:10.2973/dsdp.proc.29.1975 https://www.pangaea.de/expeditions/events/Leg29 https://www.pangaea.de/?q=campaign:label:%22Leg29%22 Leg28 1972-12-20 1973-02-20 Hayes, D E; Frakes, Lawrence A doi:10.2973/dsdp.proc.28.1975 https://www.pangaea.de/expeditions/events/Leg28 https://www.pangaea.de/?q=campaign:label:%22Leg28%22 Leg27 1972-11-01 1972-12-09 Veevers, John J; Heirtzler, James R doi:10.2973/dsdp.proc.27.1974 https://www.pangaea.de/expeditions/events/Leg27 https://www.pangaea.de/?q=campaign:label:%22Leg27%22 Leg26 1972-09-06 1972-10-30 Davies, Thomas A doi:10.2973/dsdp.proc.26.1974 https://www.pangaea.de/expeditions/events/Leg26 https://www.pangaea.de/?q=campaign:label:%22Leg26%22 Leg25 1972-06-28 1972-08-22 Schlich, Roland doi:10.2973/dsdp.proc.25.1974 https://www.pangaea.de/expeditions/events/Leg25 https://www.pangaea.de/?q=campaign:label:%22Leg25%22 Leg24 1972-05-04 1972-06-22 Fisher, Robert L; Bunce, Elizabeth T doi:10.2973/dsdp.proc.24.1974 https://www.pangaea.de/expeditions/events/Leg24 https://www.pangaea.de/?q=campaign:label:%22Leg24%22 Leg23 1972-03-08 1972-05-01 Whitmarsh, Robert B; Weser, Oscar E; Ross, David A doi:10.2973/dsdp.proc.23.1974 https://www.pangaea.de/expeditions/events/Leg23 https://www.pangaea.de/?q=campaign:label:%22Leg23%22 Leg22 1972-01-20 1972-03-05 Edgar, N Terry doi:10.2973/dsdp.proc.22.1974 https://www.pangaea.de/expeditions/events/Leg22 https://www.pangaea.de/?q=campaign:label:%22Leg22%22 Leg21 1971-11-01 1972-01-15 Burns, Robert E; Andrews, James E doi:10.2973/dsdp.proc.21.1973 https://www.pangaea.de/expeditions/events/Leg21 https://www.pangaea.de/?q=campaign:label:%22Leg21%22 Leg20 1971-09-18 1971-11-01 Heezen, Bruce C; MacGregor, Ian D doi:10.2973/dsdp.proc.20.1973 https://www.pangaea.de/expeditions/events/Leg20 https://www.pangaea.de/?q=campaign:label:%22Leg20%22 Leg19 1971-07-24 1971-09-08 Creager, Joe S; Scholl, David W doi:10.2973/dsdp.proc.19.1973 https://www.pangaea.de/expeditions/events/Leg19 https://www.pangaea.de/?q=campaign:label:%22Leg19%22 Leg18 1971-05-29 1971-07-20 Kulm, LaVerne D; von Huene, Roland doi:10.2973/dsdp.proc.18.1973 https://www.pangaea.de/expeditions/events/Leg18 https://www.pangaea.de/?q=campaign:label:%22Leg18%22 Leg17 1971-03-30 1971-05-25 Winterer, Edward L; Ewing, John I doi:10.2973/dsdp.proc.17.1973 https://www.pangaea.de/expeditions/events/Leg17 https://www.pangaea.de/?q=campaign:label:%22Leg17%22 Leg16 1971-02-02 Cristobal, Panama 1971-03-30 Honolulu, United States Edgar, N Terry doi:10.2973/dsdp.proc.16.1973 https://www.pangaea.de/expeditions/events/Leg16 https://www.pangaea.de/?q=campaign:label:%22Leg16%22 Leg15 1970-12-05 1971-02-02 Edgar, N Terry; Saunders, John B doi:10.2973/dsdp.proc.15.1973 https://www.pangaea.de/expeditions/events/Leg15 https://www.pangaea.de/?q=campaign:label:%22Leg15%22 Leg14 1970-10-07 1970-12-01 Hayes, D E; Pimm, Anthony C doi:10.2973/dsdp.proc.14.1972 https://www.pangaea.de/expeditions/events/Leg14 https://www.pangaea.de/?q=campaign:label:%22Leg14%22 Leg13 1970-08-13 1970-10-06 Edgar, N Terry doi:10.2973/dsdp.proc.13.1973 https://www.pangaea.de/expeditions/events/Leg13 https://www.pangaea.de/?q=campaign:label:%22Leg13%22 Leg12 1970-06-19 1970-08-11 Laughton, Anthony S; Berggren, William A doi:10.2973/dsdp.proc.12.1972 https://www.pangaea.de/expeditions/events/Leg12 https://www.pangaea.de/?q=campaign:label:%22Leg12%22 Leg11 1970-04-08 1970-06-01 Hollister, Charles D; Ewing, John I doi:10.2973/dsdp.proc.11.1972 https://www.pangaea.de/expeditions/events/Leg11 https://www.pangaea.de/?q=campaign:label:%22Leg11%22 Leg10 1970-02-13 1970-04-05 Worzel, J Lamar; Bryant, William doi:10.2973/dsdp.proc.10.1973 https://www.pangaea.de/expeditions/events/Leg10 https://www.pangaea.de/?q=campaign:label:%22Leg10%22 Leg9 1969-12-06 1970-01-27 Hays, James D doi:10.2973/dsdp.proc.9.1972 https://www.pangaea.de/expeditions/events/Leg9 https://www.pangaea.de/?q=campaign:label:%22Leg9%22 Leg8 1969-10-08 1969-12-02 Sutton, George H doi:10.2973/dsdp.proc.8.1971 https://www.pangaea.de/expeditions/events/Leg8 https://www.pangaea.de/?q=campaign:label:%22Leg8%22 Leg7 1969-08-08 1969-10-02 Winterer, Edward L; Riedel, William R doi:10.2973/dsdp.proc.7.1971 https://www.pangaea.de/expeditions/events/Leg7 https://www.pangaea.de/?q=campaign:label:%22Leg7%22 Leg6 1969-06-11 1969-08-05 Fischer, A G; Heezen, Bruce C doi:10.2973/dsdp.proc.6.1971 https://www.pangaea.de/expeditions/events/Leg6 https://www.pangaea.de/?q=campaign:label:%22Leg6%22 Leg5 1969-04-12 San Diego, United States 1969-06-05 Honolulu, United States McManus, Dean A; Burns, Robert E doi:10.2973/dsdp.proc.5.1970 https://www.pangaea.de/expeditions/events/Leg5 https://www.pangaea.de/?q=campaign:label:%22Leg5%22 Leg4 1969-01-27 1969-03-22 doi:10.2973/dsdp.proc.4.1970 https://www.pangaea.de/expeditions/events/Leg4 https://www.pangaea.de/?q=campaign:label:%22Leg4%22 Leg3 1968-12-01 1969-01-25 Maxwell, Arthur E; von Herzen, Richard P doi:10.2973/dsdp.proc.3.1970 https://www.pangaea.de/expeditions/events/Leg3 https://www.pangaea.de/?q=campaign:label:%22Leg3%22 Leg2 1968-10-01 1968-11-24 doi:10.2973/dsdp.proc.2.1970 https://www.pangaea.de/expeditions/events/Leg2 https://www.pangaea.de/?q=campaign:label:%22Leg2%22 Leg1 1968-07-20 1968-09-23 doi:10.2973/dsdp.proc.1.1969 https://www.pangaea.de/expeditions/events/Leg1 https://www.pangaea.de/?q=campaign:label:%22Leg1%22