The conquest of a continent
By: by Chase S. Osborn and Stella Brunt Osborn. Michigan.
Contributors: Osborn, Stella Brunt, 1894- joint author.
Publisher: The Science press printing company]
Published: 1939
Place of publication: [Lancaster, Pa
Language: eng
Number of pages: 190
Subjects: United States -- Boundaries -- Canada.; Canada -- Boundaries -- United States.
Notes: Bibliography: p. 139-158.