@article {Gilbert2007,
	title = {{Porosity of the upper edifice of Axial Seamount}},
	journal = {Geology},
	volume = {35},
	number = {1},
	year = {2007},
	pages = {49{\textendash}52},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0091-7613},
	doi = {10.1130/G22892A.1},
	url = {http://dx.doi.org/10.1130/G22892A.1},
	author = {Gilbert, L A and McDuff, R E and Johnson, H P}
}
@article {Pruis2002,
	title = {{Age dependent porosity of young upper oceanic crust: Insights from seafloor gravity studies of recent volcanic eruptions}},
	journal = {Geophysical Research Letters},
	volume = {29},
	number = {5},
	year = {2002},
	pages = {1076},
	keywords = {HOV Alvin (Human Occupied Vehicle), ROV Jason (Remotely Operated Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/2001GL013977},
	url = {http://dx.doi.org/10.1029/2001GL013977},
	author = {Pruis, M J and Johnson, H P}
}
@article {Chadwick2001,
	title = {{High-resolution bathymetric surveys using scanning sonars: Lava flow morphology, hydrothermal vent and geologic structure at recent eruption sites on the Juan de Fuca Ridge}},
	journal = {Journal of Geophysical Research},
	volume = {106},
	number = {B8},
	year = {2001},
	pages = {16,16{\textendash}75,100},
	keywords = {HOV Alvin (Human Occupied Vehicle), ROV Jason (Remotely Operated Vehicle)},
	issn = {0148-0227},
	doi = {10.1029/2001JB000297},
	url = {http://dx.doi.org/10.1029/2001JB000297},
	author = {Chadwick, W W and Schreirer, D S and Embley, R W and Johnson, H P}
}
@article {Johnson2000a,
	title = {{Density and porosity of upper oceanic crust from seafloor gravity measurements}},
	journal = {Geophysical Research Letters},
	volume = {27},
	number = {7},
	year = {2000},
	pages = {1053{\textendash}1056},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/1999GL011130},
	url = {http://dx.doi.org/10.1029/1999GL011130},
	author = {Johnson, H P and Pruis, M J and Van Patten, D and Tivey, M A}
}
@article {Johnson2000,
	title = {{Earthquake-induced changes in a hydrothermal system on the Juan de Fuca mid-ocean ridge}},
	journal = {Nature},
	volume = {407},
	number = {6801},
	year = {2000},
	pages = {174{\textendash}177},
	publisher = {Macmillian Magazines Ltd},
	keywords = {HOV Alvin (Human Occupied Vehicle), ROV Jason (Remotely Operated Vehicle)},
	issn = {0028-0836},
	doi = {10.1038/35025040},
	url = {http://dx.doi.org/10.1038/35025040},
	author = {Johnson, H P and Hutnak, M and Dziak, R P and Fox, C G and Urcuyo, I and Cowen, J P and Nabelek, J and Fisher, C R}
}
@article {Gilbert1999,
	title = {{Direct measurements of oceanic crustal density at the northern Juan de Fuca Ridge}},
	journal = {Geophysical Research Letters},
	volume = {26},
	number = {24},
	year = {1999},
	pages = {3633{\textendash}3636},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/1999GL008391},
	url = {http://dx.doi.org/10.1029/1999GL008391},
	author = {Gilbert, L A and Johnson, H P}
}
@article {Pruis1998,
	title = {{Porosity of very young oceanic crust from sea floor gravity}},
	journal = {Geophysical Research Letters},
	volume = {25},
	number = {11},
	year = {1998},
	pages = {1959{\textendash}1962},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/98GL01412},
	url = {http://dx.doi.org/10.1029/98GL01412},
	author = {Pruis, M J and Johnson, H P}
}
@article {Tivey1995b,
	title = {{Alvin magnetic survey of zero-age crust: CoAxial segment eruption, Juan de Fuca Ridge}},
	journal = {Geophysical Research Letters},
	volume = {22},
	number = {2},
	year = {1995},
	pages = {171{\textendash}174},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/94GL02081},
	url = {http://dx.doi.org/10.1029/94GL02081},
	author = {Tivey, M A and Johnson, H P}
}
@article {Johnson1995,
	title = {{Magnetic properties of zero-age oceanic crust; a new submarine lava flow on the Juan de Fuca Ridge}},
	journal = {Geophysical Research Letters},
	volume = {22},
	number = {2},
	year = {1995},
	pages = {175{\textendash}178},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/94GL02053},
	url = {http://dx.doi.org/10.1029/94GL02053},
	author = {Johnson, H P and Tivey, M A}
}
@article {Johnson1993a,
	title = {{Near-axis heat flow measurements on the northern Juan de Fuca Ridge: implications for fluid circulation in oceanic crust}},
	journal = {Geophysical Research Letters},
	volume = {20},
	number = {17},
	year = {1993},
	pages = {1875{\textendash}1878},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/93GL00734},
	url = {http://dx.doi.org/10.1029/93GL00734},
	author = {Johnson, H P and Becker, K and Von Herzen, R P}
}
@article {Holmes1993,
	title = {{Upper crustal densities derived from sea floor gravity measurements: Northern Juan De Fuca Ridge}},
	journal = {Geophysical Research Letters},
	volume = {20},
	number = {17},
	year = {1993},
	pages = {1871{\textendash}1874},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/93GL00909},
	url = {http://dx.doi.org/10.1029/93GL00909},
	author = {Holmes, M L and Johnson, H P}
}
@article {Tivey1993,
	title = {{Variations in oceanic crustal structure and the implications for the fine-scale magnetic anomaly signal}},
	journal = {Geophysical Research Letters},
	volume = {20},
	number = {17},
	year = {1993},
	pages = {1879{\textendash}1882},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0094-8276},
	doi = {10.1029/93GL01485},
	url = {http://dx.doi.org/10.1029/93GL01485},
	author = {Tivey, M A and Johnson, H P}
}
@article {Hey1992,
	title = {{Alvin investigation of an active propagating rift system, Galapagos 95.5 degrees west}},
	journal = {Marine Geophysical Researches},
	volume = {14},
	number = {3},
	year = {1992},
	pages = {207{\textendash}226},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0025-3235},
	doi = {10.1007/BF01270630},
	url = {http://dx.doi.org/10.1007/BF01270630},
	author = {Hey, R N and Sinton, J M and Kleinrock, M C and Yonover, R N and Macdonald, K C and Miller, S P and Searle, R C and Christie, D M and Atwater, T M and Sleep, N H and Johnson, H P and Neal, C A}
}
@article {Johnson1990,
	title = {{Axial Seamount - An active ridge-axis volcano on the central Juan de Fuca Ridge}},
	journal = {Journal of Geophysical Research},
	volume = {95},
	number = {B8},
	year = {1990},
	pages = {12,612{\textendash}689,696},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0148-0227},
	doi = {10.1029/JB095iB08p12689},
	url = {http://dx.doi.org/10.1029/JB095iB08p12689},
	author = {Johnson, H P and Embley, R W}
}
@article {VanWagoner1983,
	title = {{Magnetic properties of three segments of the Mid-Atlantic Ridge at 37 degrees N: FAMOUS, Narrowgate, and AMAR; AMAR 2}},
	journal = {Journal of Geophysical Research},
	volume = {88},
	number = {B6},
	year = {1983},
	pages = {5065{\textendash}5082},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0148-0227},
	doi = {10.1029/JB088iB06p05065},
	url = {http://dx.doi.org/10.1029/JB088iB06p05065},
	author = {Van Wagoner, N A and Johnson, H P}
}
