1. Gas and oil fields, pipelines, compressor stations and refineries, Toronto-Windsor area, Ontario [cartographic material] Yale Public content 1969. 2018-07-03T19:25:40Z. 2022-07-15T21:38:08Z. Beards, R. J. Ontario, Dept. of Energy and Resources Management, Petroleum Resources Section. English. cartographic image. Public. Ontario and Ontario.