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Personal Interest Files
Correspondence, 1968 - 1971
Correspondence, 1972 - 1984
Correspondence, 1985-1986
Glaciers of North America by Sue Ferguson, annotated
Correspondence, 1987
Correspondence, 1988
Correspondence, 1989
Notes and other collected materials
Prospectus, first edition
Corrections and additions
Outlines, introduction and field notes, first edition
Letters and reviews, second edition
Awards and nominations
HCR info files - time scales
HCR info files - stratigraphy, fossils
Original manuscript sample pages
HCR info files - Geomorphology and Pleistocene
HCR info files - Plate tectonics, structures
HCR Info Files - HCR Rivers 2008