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18.5 cm W x 26.7 cm H (Item) 21.5 cm W x 28 cm H (Item)
Extent
7 sheets
Type
Document
Description
A set of two documents. The first is a letter from Ross Brocato to George Ware. The second is a research report update of the Arbor Lake Diatom Study by Chicago Research Divers dated May, 1986.
