They left their mark
Subtitle: surveyors and their role in the settlement of Ontario
By: John L. Ladell.
Place of publication: Toronto
Number of pages: 312
Subjects: Surveying -- Ontario -- History.; Surveyors -- Ontario -- History.; Ontario -- Surveys -- History.
Notes: "Association of Ontario Land Surveyors, 1892-1992, centenary". Includes bibliographical references (p. 302-305) and index.

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