Brown, Roger James Evan, 1931- Permafrost in Canada : its influence on Northern development / Roger J. E. Brown. - 1 online resource (247 pages) : illustrations, maps, photographs. - Canadian Building Series ; 4 . Includes bibliographical references and index. ISBN: 9781442632615 Subjects--Topical Terms: Permafrost--Canada.Civil engineering--Canada. Index Terms--Genre/Form: Electronic books. LC Class. No.: TA713 / .B769 1970 Dewey Class. No.: 624/.151