A question has come in from the field (Fort Guijarros Project, Point Loma,
San Diego). When was tar paper invented? A building has been found with (I
assume) a tar paper roof. Any ideas?
Anita Cohen-Williams; Reference Services; Hayden Library
Arizona State University, Tempe, AZ 85287-1006
PHONE: (602) 965-4579 FAX: (602) 965-9169
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