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1989 Robert P. Sharp (Professor Emeritus, California Institute of Technology)
'Geology in our Own Back Yard'
'Reincarnation of a Geologist'
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1988 Harrison H. Schmitt (Apollo 17; U.S. Senator, New Mexico)
'A Trip to the Moon on Apollo 17'
'Evolution of the Moon: the View from Taurus-Littrow'
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'Geology of the Northern Peninsular Ranges and Adjacent Transverse Ranges'
'Alkali-Silicate Rocks, Mountain Pass, California'
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1986 Thane H. McCulloh '49
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1985 John G. Vedder '48
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1984 Warren O. Addicott '51
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1983 Mason L. Hill '26
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1982 Roger R. Revelle '29
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1981 C. Barry Raleigh '56
