Duluth-Superior
Subtitle: world's largest inland port
By: by Larry Van Dusen ; compiled and written by Ted Gozanski ... [et al.].
Publisher: Avery Color Studios
Published: 1977
Place of publication: AuTrain, Mich
Language: eng
Number of pages: 104
Subjects: Harbors -- Minnesota -- Duluth.; Harbors -- Wisconsin -- Superior.
Notes: Includes bibliographical references.