This list contains information about those expeditions from which the SIO Geological Collections holds sample materials.

EXPEDITION	SYNONYMS/ABBREVIATIONS	SHIP	YEAR	SAMPLE TYPES	COMMENT
Acapulco Geological Expedition	AGE, AGEX	R/V S. F. Baird	1956	Cores
Acapulco Trench Expedition (See Chubasco)	CHUB
Agassiz 1967	A1GC	R/V Agassiz	1967
Agassiz-ES-66-1 (Also known as Student Cruise - 1966.)	ES-66-1, ES, ES66	R/V Agassiz	1966
Agassiz 69-06-1	AG-69, AG-69-06, AG-69-06-1, AG-69-6	R/V Agassiz	1969	Dredges
Alarcon	ALAR	R/V Roger Reville	1998	Cores and Dredges	Cores received from Miriam Kastner/Barbara Ransom (SIO).
Albatross	ALB	USFCS Albatross	1882-1921
Alcyone	ALCY	R/V Melville	1985	Dredges	Several samples (all?) with Harmon Craig Collection.
Alpha Helix	(None)	R/V Alpha Helix	1975	Dredges	Marcia Rottman, previously of the University of Colorado, is contact.
ALVIN Submersible (Core Samples)	ALV	ALVIN Submersible	?	Cores	Only 3 cores in the Collections: ALV-907, ALV-911, ALV-920.
ALVIN Submersible - 1979		ALVIN Submersible/Lulu (Deployment Boat)/Melville ("Dormitory" Ship)	1979	Rock Samples Only	Samples collected between legs of the IndoMed expedition.
ALVIN Submersible - 1987 (See also A2-124-6).	WOK			Rock Sample Only	The Woods Hole ship, A2 was the mother ship for ALVIN. Part of A2-124-6 expedition. "WOK" derived from appearance of sediments in sampler, "like food being cooked in a wok."
Amigo-74	AMGO, AMI, SM	Valdivia	1974	Cores	Cores placed in the Collections by Gustav Arrhenius in 1976. Apparently from a German expedition: Helmut Richer of Hannover is contact.
Amphitrite	AMP, AMPH	R/V Argo	1963-1964	Cores and Dredges
Antipode	ANT, ANTP	R/V Melville	1970-1971	Cores and Dredges
Aphrodite	APRO	R/V E.B. Scripps	1968	Neither
Argo-3-65	ARGO-3-65	Argo	1965	Cores	32 heat-probe samples.
Arguello	ALO, ARG, ARGL, ARGU	R/V Horizon	1957	Cores
Ariadne	ARIA	R/V T. Washington	1982	Cores	All cores taken by Margaret Leinen to the University of Rhode Island.
Aries	ARIES, ARES	R/V T. Washington	1970-1971	Cores and Dredges
Atlantis II 93-5	A2-093-5, A2-93-5	R/V Atlantis II	1978	Cores	WHOI ship, Atlantis 2, Expedition 93, Leg 5. Bob Fisher is an SIO contact.
Atlantis II 112-4	A2-112-4, A2, A2-112	R/V Atlantis II	1984	Core, Dredge Samples, AlVIN-Dive Samples	WHOI ship, Atlantis 2, Expedition 112, Leg 4.
Atlantis II 112-24	A2-112-24, A2, A2-112	R/V Atlantis II	1985		WHOI ship, Atlantis 2, Expedition 112, Leg.24.
Atlantis II 112-29 (Also known as Guaymas-85)	A2-112-29, Guaymas, Guay-85	R/V Atlantis II	1985	Cores
Atlantis II 124-6 (See also ALVIN-1987)	A2-124-6, WOK, A2-124	R/V Atlantis II	1987	Dredges	WHOI ship, Atlantis 2, Expedition 124, Leg 6. contact: Jim Hawkins.
Atlantis II 131-10	A2-131-10	R/V Atlantis II	1994	Cores	WHOI ship, Atlantis 2, Expedition 131, Leg 10.
Avon02	AVON02	R/V Melville	1999	Dredges
Avon03	AVON03	R/V Melville	1999	Dredges
Avon04	AVON04	R/V Melville	1999	Dredges
Bacanyon	BAC	R/V Argo	1962		Name thought to be derived from "Baja Canyon."
Bache	BACHE	USC&GSS Bache	1872-1901, 1914		Dry raw samples are in T-42 (SeaWeed Canyon) as of 1993. See also for "Grampus" samples.
Bahama Canyon	BAHCAN, BC	R/V T. Washington	1964, 1965		Sea-floor canyons surrounding the Bahamas. Studied by Francis Shepard.
Baja 69	BAJA69, BAJA-69, BJ69	R/V Oconostota	1969	Dredges
(Baja Peninsula 94)	BAP94	B/O El Puma	1994	Cores	Contact: Juan-Carlos Herguera.
Baja Peninsula 96 (See Comments)	BAP96	B/O El Puma		Cores	Contact: Juan -Carlos Herguera. (Herguera gives May 1994 as collection date.)
BANZARE	BANZARE, BANZ	Discovery, Norvegia, Kilfinora	1929-1931		Expedition name is acronym for British/Australian/New Zealand/Antarctic/Research/Expedition.
Bathyl 2	BATHYL	R/V New Horizon	1982	One Core Only
Benthic	BENTH, BNTH	R/V Melville	1982-1983	Cores and Dredges
Benthic Impact Experiment	BIE
Benthiface02	BNFC	R/V Melville	1973	Cores
Bepra	BPRA	R/V Moana Wave	1989	Cores	Acronym = Biological (Evaluation) of a Protected Reserve Area. A NOAA supprted expedition with primary objective to characterize the benthic macrofauna.
Blanco Trough	BLTR	R/V Melville	1987	Dredges
Bonacca	BONA, BON-A, BON A, BON	R/V S. F. Baird	1963	Core and Snapper Samples
Bonanza	BONZ	R/V T. Washington	1982	Dredges
Bongol				Core? Dry Samples	Contact: Ed Goldberg (SIO)
Boomerang02	BMRG02, BMRG	R/V Melville	1995	Dredges
Boomerang03	BMRG05, BMRG	R/V Melville	1995	Cores
Boomerang05	BMRG03, BMRG	R/V Melville	1996	Dredges	Sent to Curator, College of Oceanography, Oregon State University.
Boomerang08	BMRG08, BMRG	R/V Melville	1996	Dredges
Boomerang09	BMRG09, BMRG	R/V Melville	1996	Dredges	Two dredge samples (122D and 124D) from BMRG09 went to Pat Castillo, Jim Hawkins and Jerry Winterer directly from the ship.
Cabrillo (Shepard)	CAB	R/V S. F. Baird	1960	Dredges
California Basins	CAB, CABS, CABS12	R/V New Horizon	1990	2 Box Cores Only
Calmar01	CLMR01	R/V New Horizon	1992	Cores	Name derivation - California Margin.
Calmar02	CLMR02	R/V New Horizon	1993	Cores	Name derivation - California Margin.
Capricorn -Horizon	CAP, CAPH, Zodiac sign for Capricorn	R/V Horizon	1952-1953	Cores and Dredges
Capricorn-Baird	CAP, CAPB, Zodiac sign for Capricorn	R/V S. F. Baird	1952-1953	Cores and Dredges
Carmarsel	CARM, CRM, CRMS, CRS, NOVA-H	R/V Horizon	1967	Core, Blasted and Dredge Samples	Cores labeled Nova-H (Carmarsel).
Carnegie	CARN	N-MY Carnegie	1909-1929
Carnaval94	CRNA94, CARNA94	R/V Francisco de Ulloa	1994	Cores	Contact: Juan-Carlos Herguera.
Carrousel II	CARR, CARO, CARR2, CARR II	R/V S. F. Baird	1964	Cores and Dredges
Carsat II	CRST	R/V T. G. Thompson	1975	Cores	Donated to SIO by Ed Ruth of UCLA 25 June 1975.
Cascadia	CAS, CASC,	USS Epce (Marysville ?)	1952	Cores and Dredges	Dredges 1, 2, 6, 7 and 10 reported missing.
Catalina Basin	CAT-BAS, CATBAS	R/V Melville	1970	Cores and Dredges
Cato (Leg 3)	CATO	R/V Melville	1972	Cores and Dredges
Center	CENT, CNTR	R/V T. Washington	1978	Dredges
Ceres	CERE	R/V T. Washington	1982	Dredges
Ceride	CERD, CRDE	R/V Oconostota	1972	Cores and Dredges
(CGA)	CGA
Chain 100	CHAIN, CHAIN 100	R/V Chain (WHOI)	1971	Cores
Chaneel	CHAN, CHNL, OA, OA68, OA-68	R/V Oconostota	1968	Cores and Dredges	Contact: Joe Curray (SIO).
Chepr	CHEP, CHEP02	R/V New Horizon	1985	Dredges	Contacts: Rody Batiza, Charles Langmuir, John Bender.
Chil19VG (Also known as Gormaz Test.)	CHIL19VG, Gormaz Test	R/V Vidal Gormaz nee R/V T. Washington	1992		The ship, R. V. Washington was transferred to the Chilean government in 1992(?) and renamed the R/V Vidal Gormaz.
Chinook	CHIN, CK	R/V S. F. Baird	1956	Cores
Chubasco (Also known as Acapulco Trench Expedition and Champarico.)	CH, CHUB, CHAM	R/V S. F. Baird, R/V Horizon	1954	Cores
Chubasco 94	CH94	B/O El Puma	1994	Cores
Circe	CIRC	R/V Argo	1968-1969	Cores and Dredges	Some samples sent to Oregon State University and the University of Edinburgh.
Climax I,II (SCAN),IV,VII,VIII	CLX, CLMX	R/V Argo, Baird, Horizon, Alpha Helix, Agassiz	1968-1973	Cores
CNP	CNP		1986
Center	CNTR	R/V T. Washington
Cocotow	CCTW, COCO	R/V Melville	1974	Cores and Dredges
Corner02	CRNR02	R/V New Horizon	1998	Cores and Dredges	Also known as NAVO9806NH.
Coronado Bank	CB	R/V E. W. Scripps	1950-1951	Cores
Craters	CRATERS	R/V Atlantis II	1984	Dredges
Crisscross	CRCS, X-Cross, XCROSS	R/V S. F. Baird	1963	Cores and Dredges
Crossgrain (01,02,03)	CRGN	R/V T. Washington	1987	Cores and Dredges
Cusp	CUSP	R/V S. F. Baird	1954	Cores
Danish Expedition (See Galathea)	GALA, GALATHEA	HMS (?) Galathea	1951
Davidson	DVDS	USC&GS Davidson	1967	Dredges (?)	Not a conventional SIO expedition.
Deep Pacific, Japan Trench (See also Zetes, Leg 4b)	DEEPAC X, ZTES4b	R/V Argo	1996
Deep Sea Drilling Project	DSDP	D/V Glomar Challenger	1968-1983	Cores
Deep Sea Ventures	DSV	R/V Prospector	1976	Cores	Mn nodules previously on the surface of the box-core samples have sunk into the sediment.
Deepsonde	DPSN	R/V Washintgon	1976	Cores and Dredges
Deepstar Dives	DEEPSTAR	Deepstar Submersible	1966	Dredges	Contact: Jerry Winterer (SIO).
Deloneer	DELO	R/V Oconostota	1972	Cores
Discoverer (Not an SIO expedition; but samples in Special Collections)		USC&GSS Discoverer	1922-1941		Smear-slide data available.
Dittow	DITW, DTTW	R/V T. Washington		Cores
Dodo	DODO	R/V Argo	1964	Cores and Dredges
Dodo Tow				Cores
Doldrums	DLDR	R/V S. F. Baird,Stranger,Horizon	1958	Neither
Dolphin	DOLP, DOLPH, DO	R/V Horizon	1958	Cores
Downwind - Baird	DNWB, DW, DWB, DWN	R/V S. F. Baird	1957-1958	Cores and Dredges	Samples labeled DWBG = Downwind-Baird Gravity Core.
Downwind - Horizon	DNWH, DW, DWH, DWN	R/V Horizon	1957-1958	Cores and Dredges	Samples labeled DWHG = Downwind-Horizon Gravity Core, DWHH = Downwind-Horizon Hydrographic Phleger Bottom Sampler, DWHD = Downwind-. Horizon Dredge Sample.
Dragon	DRAGON	R/V Agassiz	1969	Cores and Dredges
Drill	DRIL	R/V T. Washington	1990
East Pacific Long Line	EPLL, EPLL01WT	R/V T. Washington	1977	Cores
EBS-1-76-SC	EBS-1, EBS, EBS-1-76	R/V E. B. Scripps	1976	Core (Dart) Only	Joint SIO and USGS expedition.
EBS-82 (Also know as Student Cruise - 82)	EBS-82,	R/V E. B. Scripps	1982	One Core	Name derived from ship name, E. B. Scripps.
Echo	ECHO, ECHO-1	R/V Melville	1983	Cores	Box cores originally labeled H347-H362 (Bob Hessler's numbering system.)
El Tempranillo	ET97	B/O El Puma	1997	Cores	From CICESE.
Eniwetok	ENIW	R/V Alpha Helix or H. M. Smith?	1971	Cores
Equatow	EQU, EQUA, EQUT,	R/V T. Washington	1969	Cores
ES-66-1	ES, ES66, Agassiz-66-1, ES-66-1	R/V Agassiz	1966	Dredges
ES-81	ES-81, Earth Science 81, Student Cruise-81	R/V E. B. Scripps	1981	Cores
Eurydice (02-08)	ERDC	R/V T. Washington	1974-1975	Cores and Dredges
EW Scripps - 1938	EWS, EWS38, E. Wl Scripps	E. W. Scripps	1938	Cores and Dredges	Name derived from ship name,  E. W. Scripps. Fields note apparently taken by Francis Shepard.
EW Scripps - 1940	EWS40	E. W. Scripps	1940
Experimental Mohole	EM, EXP-MOH	R/V Horizon, R/V S. F. Baird, Orca, D/V Cuss I	1961	Cores	The 'Moho" in Mohole relates to the Mohorovicic discontinuity, the ultimate coring objective (not realized) of that project.
Explorer Expedition 60 - US Coast and Geodetic Survey	EXP60, EX60, USC + GS, USCGS, Project 08700	USC&GS Explorer	1960	Cores
Fanfare - Baird	FANB, FANF, FAN	R/V S. F. Baird	1959	Cores and Dredges	Cores labeled FAN BG-1, FAN BG-2 are gravity cores.Those labeled BD-1 are dredge samples. FAN BP samples are piston cores (maybe also piston/gravity, i.e trigger cores).
Fanfare- Smith	FANS, FANHMS, FAN-HMS, FAN	R/V H. M. Smith	1959	Cores	Cores labeled FAN BG-1, FAN BG-2 are gravity cores.Those labeled BD-1 are dredge samples. FAN BP samples are piston cores (maybe also piston/gravity, i.e. trigger cores).
Flip	FLIP, FLHE, FL, WRS-5	R/V Horizon	1963	Cores
Francis Drake - 1975	FD75, FDRK, F. DRAKE, F. DRAKE-3	R/V Melville	1975	Cores and Dredges
Francis Drake - 1977	FD77	R/V Melville	1977	Cores
Galathea (Not an SIO expedition; Special Collections, only.)	GALA, GALATHEA	Galathea	1950-1952		Danish (2nd) Deep-Sea Round-The-World Expedition.
Geosecs	GECS	R/V Melville, R/V T. Washington, R/V Knorr	1973-1974	One Core (Dredge ?)
Gloria (04, 07, 08)	GLOR, GLOR04, GLOR07, GLOR08	R/V Melville	1992-1993	Dredges	Another contact: Mary Ann Lynch
Gormaz Test (Also known as Chil19VG.)	CHIL19VG	R/V Vidal Gormaz nee T. Washington	1992	One Dredge Sample	The ship, R/V. T. Washington, was transferred to the Chilean government in 1992(?) and renamed the R/V Vidal Gormaz.
Gulfcal (See also Vermilion Sea)	L, L-Series	R/V H. M. Smith	1961	Core Only
Gulf of California Mid America Trench	GMAT-70, GMAT	USNS DeSteiguer	1970	Dredges	Naval Undersea Research Development Center.
Guaymas- 78	GUAY-78, GUAY03WT, GUAY03,GUAY3	R/V Thomas Washington	1978	Cores and Dredges
Guaymas-85 (See AII-112-29)		Atlantis II	1985
Guide (Not an SIO expedition; but samples in Special Collections)+A85	GUIDE	USC&GSS Guide	1923-1941
Hawa Canyon	HAWA	R/V S. F. Baird	1959	Neither
Helios01	HELI	R/V Melville	1987	Dredges
(HES-30)	HES-30			Dredge
Hilo	HILO	R/V Stranger	1962	Cores
HMS Challenger (Not SIO expedition; Special Collections, only.)	CHAL	HMS Challenger	1873-1876
(HT)	HT
Hydros06	HYDR	R/V Melville	1989	Cores	Samples to WHOI.
Hypogene	HYPO	R/V Melville	1972	Cores and Dredges
Indomed (01-17)	INMD	R/V Melville	1977-1979	Cores and Dredges	Potential contact for dredge samples: Bob Fisher (SIO)
Indopac	INDP	R/V T. Washington	1976-1977	Cores and Dredges
Japanyon	JPYN, JAP, JPN, JYN, JYN2, JYN4, JYN5	R/V S. F. Baird	1961	Cores
Jasper Seamount (Sea Seatomato
Kayak	KYAK	R/V Oconostota	1964
La Paz (01,02)	LPAZ, LAPZ	R/V Melville	1980	Cores and Dredges
La Jolla Bay	LJ
La Jolla Canyon Student Cruise 82 - (See also Student Cruise - 82)	EBS82	R/ V. E. B. Scripps	1982
La Jolla Canyon Survey	LCS, LC	R/V Army T-441	1959-1961
La Jolla Fan (also Montcan2, Leg3)	MTC2, LJF	R/V Argo	1965		A Francis Shepard designation.
La Pared	LAPD, LAP	R/V Argo	1965	Cores
Leapfrog	LFGS, LPFG	R/V H. M. Smith, R/V Stranger	1961	Cores
Llave	LLAV		1986	Cores
Lucan Fan	LF	R/V Horizon	1964	Neither
Lusiad - Argo	LSAD, LSD-A, LSD, LUSI	R/V Argo	1962	Cores	Salhulsh III is part of the Lusiad-Argo expedition. Station (core numbers) have both LSDA and V designators.
Lusiad - Horizon	LSDH, LSD, LUSI,	R/V Horizon	1963	Cores	Salhulsh III is part of the Lusiad-Horizon expedition. Station (core numbers) have both LSDH and V designators.
Lusian (South China Sea)	LSDA-SCS, SCS
M-4-70	M470, M-4-70	R/V Melville	1970	Cores	Name probably derived from Melville, 4th cruise, 1970
Magdalena Bay	MAGBAY	R/V Horizon	1964
Magma	MAGM	R/V Melville	1982	Dredges
Magval	MAGVAL
Marathon	MRTN	R/V T. Washington	1984-1985	Dredges
Marezine	MARE	Paolina-T	1961	Cores
Mariana (04-11)	MARA	R/V T. Washington	1978	Cores and Dredges	Most cores to Sandia Labs.
Marine Vertebrates	MV 65-1, MV 66-III	R/V Horizon	1965
Marvel-2000	AT3-60	R/V Atlantis	2000
Marvel-2000/ALVIN	ALV NUMBERS	D/S ALVIN	2000
Mechanical Devices	MEC
Mendocino	MEN, MEND	R/V S. F. Baird	1960	Cores and Dredges
(Mero)	MERO			Cores
Midpac	MDPC, MP	R/V Horizon, USS EPCE(R)-857	1950	Cores and Dredges	A joint U. S. Navy Electronics Lab. And Scripps Institution of Oceanography expedition.
Mid Pacific 68 (See Styx07)	MPE68, STYX07	R/V Agissiz	1968
MN74	MN74		1974	Cores	"MN" in name probably derived from manganese or manganese nodules.
MN7402	MN7402		1974		"MN" in name probably derived from manganese or manganese nodules.
MN75, Bomdrop	MN75, Bomdrop	R/V Kana Keoki	1975	Neither	"MN" in name probably derived from manganese or manganese nodules.
MN76	MN76, MN7601,PLDS-4	R/V Melville	1976	Grab Samples	"MN" in name probably derived from manganese or manganese nodules.
Mohole Project	MOHO, MOH, EM, EXP-MOH	R/V Orca	1961	Cores	The ship "CUSP" was named for its owners, Continental, Union, Shell and Superior Oil companies.
Monsoon	MSN, MONS	R/V Argo	1960-1961	Cores and Dredges
Montcan (See also Pifan.)	MTC	R/V Horizon	1964	Cores and Dredges	Name derived from Monterey Canyon. contact: Bill Normark (USGS, Menlo Park).
Montcan2	MTC2, MTC II, LJF	R/V Argo	1965	Cores	Name derived from Monterey Canyon. contact: Bill Normark (USGS, Menlo Park). Three box cores (LJF 86,87,88) taken from La Jolla Fan. Shepard used regional designations MTC and LJF rather than traditional expedition sequential numbering.
Mukluk	MUK, MUKB, MK, MKLK	R/V S. F. Baird	1957	Cores
Mukluk	MUK, MUKH, MK, MKLK	R. V. Horizon	1957	Cores
Naga	NAGA	R/V Stranger	1959-1961	Cores	Stations numbered with NH prefixes. Sahul Shelf expedition is part of Naga.
NAVO9806NH (See Corner02)
Nazcopac Dive	NAZCO	Nazcopac submersible	1988 (?)	Dive/Dredges	Contact: Peter Lonsdale.
NEL-Guadalupe	NEL-G, NG	R/V Argo ?	1953	Cores	Name derived from Naval Electronics Laboratory.
NEL-Hawaii	NEL-H, NH		1953	Cores	Name derived from Naval Electronics Laboratory.
Nemo	NEMO	R/V Melville	2000
NH 1285 (also NH 0186)	NH1285, NH, NH0186	R/V New Horizon	1985-1986	Core and Bulk Material	NH1285 and NH0186 derived from ship name, New Horizon - December, 1985 and January, 1986.
No Faculty Student Cruise	NOFAC, NFAC, NOFC	R/V Melville	1980	Cores
Northern Holiday	NO HOL, NH, NTHL	R/V Horizon	1951	Cores
Nova - Argo	NOVA-A, NOV-A, NOV	R/V Argo	1967	Cores and Dredges
Nova - Horizon, Legs 1B,2,3,4) (See also Carmasel Notes.)	NOVA-H, NOV-H, NOV, CARMASEL	R/V Horizon	1967	Cores and Dredges
North Pacific Studies	NPS, NPS 8	CGC Acushnet	1970	One Core	Contact: David Muus.
OA 67 (See also Wildcat)	OA 67	R/V Oconostota	1967	Cores	OA67 derived from Oconastoga, 1967
OA 68 (See also Chaneel)	OA68	R/V Oconostota	1968	Cores	OA68 derived from Oconastoga, 1968
OA69 (See also Triple Junction)	OA69	R/V Oconostota	1969	Cores	OA69 derived from Oconastoga, 1969
OAOA03	OAOA03, OAOA	R/V New Horizon	1999	Cores and Dredges
Oasis	OASI, OSIS	R/V Melville	1982	Gravity Core Only	Core 6G given to "Mexican Observer."
Ocean Drilling Program	ODP	D/V JOIDES Resolution	1985 -
Orca	ORCA			Core Only (?)	Cores numbered C-268 - C-505. Contact: Joe Curray (SIO).
(Pacific Volcanics- See Comments)	PV	(Several)	1953-1964	Dredges	Name (after Pacific volcanics) given by Al Engel to samples from several expeditions.
PacMexico00	PACMEX00	B/O El Puma	2000		Name derived from Pacific - Mexico - 2000. Juan Herguera, contact.
Panorama01	PANR01	R/V Melville	1997	Cores
Panorama04	PANR04	R/V Melville	1998	Dredge Samples
Panorama06	PANR06	R/V Melville	1998
Papagayo	PAPA, PAP	R/V Argo	1965	Cores and Dredges
Papatua (03,04,05,06,11)	PPTU	R/V T. Washington	1985-1986	Cores and Dredges
Papatua10	PPTU	CW ??	1986
Pascua04	PASC	R/V T. Washington	1983	Dredges
Phoenix02	PHNX	R/V Melville	1992	Dredges	Seabeam experiment.
Pifan	PIF, PIFN	R/V Horizon	1964	Cores and Dredges	See also Montcan expedition. PIF 28G - 85Bx also labeled MTC-1 - MTC 57.
Pioneer (Not an SIO expedition, but samples in Special Collections)		USC&GSS Pioneer	(1920's-1930's)
Pipedream	Pipedream	R/V Spencer, R/V S. F. Baird	1963 or 1965
Piquero	PIQR, PIQ	R/V T. Washington	1968-1969	Cores and Dredges
Pleiades(01,02,03,04)	PLDS, MN76 (in part), MN7601 (in part)	R/V Melville	1976	Cores and Dredges
Pleiades Test	PLDS, TST	R/V Melville	1976	Cores	A three-day shakedown expedition to test equipment on Melville and train personnel prior to the major Pleiades expedition.
Plume05	PLUM	R/V T. Washington	1990	Cores and Dredges
Pluto(01-04)	PLTO, PLUT	R/V Melville	1981	Cores and Dredges
Pluto07	PLTO, PLUT	R/V New Horizon	1982	Dredges