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The firm originated with J. Douglas Ansley, OLS who took over from Bert Roe. OLS. in 1961. Roe started his firm in 1950. Doug Ansley was also involved in the formation of Photomap Air Surveys Ltd. which provided a link to photogrammetric surveys. In 1994 J. Douglas Ansley Ltd. became Ansley, Campbell and Serack Ltd. with Brian Campbell, OLS, Bill Serack, OLS and Larry Hrivnak carrying on providing all manner of legal, topographic and construction surveys knowing that they could rely on the work which had gone before.