LDGSL/1107/A/1/3 | Lamont Geological Observatory, 1967-1968 | Dec 1967-Feb 1968 | ![7c\ceec69-f284-4b4f-9222-a0a283f0d1ae.jpg](GetImage.ashx?db=Catalog&fname=7c\ceec69-f284-4b4f-9222-a0a283f0d1ae.jpg&type=OverviewThumbnail)
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LDGSL/1107/A/1/4 | Princeton University, 1968 | Mar-May 1968 | ![f4\833ec0-d199-401b-b895-f331456046e5.jpg](GetImage.ashx?db=Catalog&fname=f4\833ec0-d199-401b-b895-f331456046e5.jpg&type=OverviewThumbnail)
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LDGSL/1107/A/1/7 | California Institute of Technology (Caltech), 1969 | Apr-Jun 1969 | ![76\3bfce7-3514-4af9-9b17-27fbc1970c43.jpg](GetImage.ashx?db=Catalog&fname=76\3bfce7-3514-4af9-9b17-27fbc1970c43.jpg&type=OverviewThumbnail)
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LDGSL/1107/A/1/10 | General scientific correspondence, 1970 | 1970 | |
LDGSL/1107/A/1/11 | General scientific correspondence, 1971 | Jan-Jul 1971 | |
LDGSL/1107/A/1/12 | General scientific correspondence, 1972 | 1972 | ![19\c66e0f-0d1f-486d-aabe-a9271a8b50fb.jpg](GetImage.ashx?db=Catalog&fname=19\c66e0f-0d1f-486d-aabe-a9271a8b50fb.jpg&type=OverviewThumbnail)
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LDGSL/1107/A/1/18 | General correspondence, 1978 | 1978 | |