Preliminary report on the geology of the Jackfish-Middleton area
By: by J.W.R. Walker.
Series: Geological circular -- no. 4.; Geological circular (Ontario. Division of Mines) -- no. 4.
Publisher: B. Johnson
Published: 1956
Place of publication: Toronto
Language: eng
Subjects: Geology -- Ontario -- Thunder Bay; Thunder Bay (Ont. : District)
Other titles: Geology of the Jackfish-Middleton area.; Jackfish-Middleton area.
Notes: "Issued March, 1956."

Includes bibliographical references.