In 1887-8, Chief Dominion Architect Thomas Fuller designed the Museum, laboratories, barn, stables, and Staff Residences on Prince of Wales Drive In 1887, Charles F. Cox lay out of the site and design of farm buildings. In 1887-1888, William John Beckett, a contractor, served as foreman during the building of the residences, offices and barns. In 1889, livestock was introduced to the CEF. Chief Dominion Architect David Ewart designed the Dominion Observatory, Carling Avenue in 1902; Chief Astronomer's Residence, 1909; and the Geodetic Survey Building, 1914. Chief Dominion Architect Edgar Lewis Horwood designed the Cereal and Agrostology Building, 1915–16; Agricultural Building, 1915; and records storage building, 1937. Chief Dominion Architect Richard Cotsman Wright designed a number of buildings including: the Poultry Office Building, 1920; and the Botanical Laboratory Building, 1924–25. John Bethune Roper designed the Administration Building, Carling Avenue, 1934. William James Abra designed the Biological Building, 1935. Over the years the scope of research grew and changed, prompting a need to increase the farm's lands and buildings. The Horticulturalist's house and staff residences were removed by the 1930s (they were no longer needed since the city had grown around the farm), the forest belt gradually disappeared, and new larger centralized facilities were built, starting with the Saunders Building in 1935, followed by the Neatby Building, Geophysical Lab, Laboratory Services Building, and the Carling Building. From 1940-47, building 136, operated as a high frequency Naval Radio Station -CFF which frequently intercepted enemy transmissions. On May 1, 1993, a memorial was erected by NOAC and Royal Canadian Naval Association Ottawa and dedicated to the Naval Veterans and those who served at this station which provided a link during World War II between Canadian naval headquarters and ships at sea, allied naval headquarters and operational naval authorities. The CEF was the site of a large scale cannabis grow operation in the 1970s, producing tonnes of crop from plants standing 20 feet tall. It was intended to provide Canadian scientists with reliable samples for research in response to an interim report of the Le Dain Commission. The plants were near Ash Lane, earning it the nickname "Hash Lane"; combined with the secrecy around the project, it became a local legend among area youth. In 1983, the agricultural museum was created in the former Dairy Barn. The Federal Heritage Buildings Review Office recognized or classified a number of CEF buildings on the Register of