Aggregate resources inventory of Town of Markham, regional municipality of York, southern Ontario
By: by staff of the Maple District Office, Central Region, and the Engineering and Terrain Geology Section, Ontario Geological Survey.
Contributors: Ontario Geological Survey. Engineering and Terrain Geology Section.; Ontario. Ministry of Natural Resources. Maple District Office.
Series: Ontario Geological Survey aggregate resources inventory paper,; 52
Publisher: Ontario Ministry of Natural Resources; Obtainable through the Ontario Ministry of Natural Resources, Map Unit, Public Service Centre
Published: 1981
Place of publication: Toronto, Ont
Language: eng
Number of pages: 30
Subjects: Aggregates (Building  materials) -- Ontario -- Markham (Township)
Notes: Includes bibliographical references (p. 19-20).
Three folded maps in pocket.