Presented to the Royal Botanical Gardens on September 16, 1976 to acknowledge the origins of these grounds as a gravel pit and their transformation into a world recognized garden.

Presented February 24, 1977 to Roy James East Park Gardens to commemorate the origin of these grounds and their transformation from a gravel pit into an outstanding recreational area with considerable environmental appeal and a distinct asset to the community.

Presented June 16, 1977 to Mr. Conn Smythe and to the Borough of York to commemorate the origin of these grounds and their transformation from a gravel pit into an outstanding recreational area with considerable environmental appeal and a distinct asset to the community.

Presented to Erindale College, University of Toronto on October 31, 1980 to commemorate the origin of these grounds and the transformation from a gravel pit into an educational/recreational facility with considerable appeal and a distinct asset to the community.

Presented July 14, 1983 to the Town of St. Mary’s and St. Mary’s Cement Limited to commemorate the transformation of these grounds from a quarry to an outstanding recreational area, having considerable environmental appeal and being an asset to this community.

Presented 1984 to Harold Kennette to commemorate the origin of these grounds and their transformation from a gravel pit into an outstanding recreational area with considerable environmental appeal and a distinct asset to the community. 

Presented September 1986 to Steed and Evans Limited to commemorate the transformation of these grounds from a gravel pit to an outstanding recreational area with considerable environmental appeal, and being a distinct asset to the community.

Presented to Spratt Sand and Gravel and the Township of Osgoode in July 1987 to commemorate the transformation of these grounds from a gravel pit to an outstanding residential/recreational area.

Presented to the City of Brampton and Standard Aggregates Inc. on July 29, 1989 to commemorate the transformation of these grounds from a gravel pit to an outstanding residential/recreational area.

Presented June 1994 to Standard Aggregates and the Town of Haldimand to commemorate the transformation of these grounds from a quarry to an outstanding recreational area.

Presented to the University of Guelph Arboretum to commemorate the origin of this site as a gravel pit and its transformation into an outstanding educational and research asset to the University and the community alike. October 1996.

Presented to the City of London to commemorate the origin of this site as a gravel pit and its transformation into an outstanding recreational area and a distinct asset to the community. 1997. 

Presented May 30, 1998 to Seeley and Arnill Aggregate Ltd. to commemorate the transformation of these lands into the outstanding Wasaga Sands Golf Community through the creative rehabilitation of a sand and gravel operation.

Presented July, 2000 to the Toronto and Region Conservation Authority, the City of Toronto, and the Province of Ontario to commemorate the origins of this site as a quarry and its transformation into an outstanding natural environment and cultural heritage park for the citizens of the greater Toronto region.

Presented October 8, 2003 to the Toronto and Region Conservation Authority to acknowledge their contributions and those of local aggregate producers in rehabilitating this site. This former sand and gravel pit is now an outstanding ecological and recreational area on the Oak Ridges Moraine for use by the Citizens of Uxbridge Township and the Greater Toronto Area.

Presented October 5, 2004 to the Niagara Peninsula Conservation Authority to acknowledge their coordination of the rehabilitation of this site. These former limestone quarries and clay pit are now an outstanding ecological enclave and recreational area for use and enjoyment of the citizens of Ontario and beyond.

Began as a quarry in 1948 by W.W. King and supplied material for the Malton Airport now Pearson International. Following closure in 1957, the Province acquired the land and transferred it to Conservation Halton in 1995.The City and Conservation Halton created and implemented a master plan with the support of numerous public and private donors including APAO, MAAP, TOARC and Nelson Aggregate. This collaboration has resulted in Burlington’s ecological gateway to the Niagara Escarpment.

This former sand and gravel pit belonging to Lafarge Canada Inc. has been completely rehabilitated to its current recreational use, which includes four first-class ball diamonds and two soccer fields.

Over 40 years, 12 former gravel pits have been transformed into a series of interconnected linear parks stretching over seven kilometres throughout the City of Brampton. At least 80 million tonnes of high-quality sand and gravel have been extracted from the Brampton Esker area and used in such construction projects as the Gardiner Expressway, Ontario Place, The Queen Elizabeth Way, Pearson International Airport, the Toronto subway system and many other roads, streets and highways in the Greater Toronto Area. Brampton is also the only community in Ontario to have received two Bronze Plaque Awards. The first was given 20 years ago for Professor’s Lake (please see #9).

The rehabilitated former sand and gravel pit now features a number of environmentally-significant habitats including a tallgrass prairie plantation, a rare wetland community called a fen, a semi-arid section home to lichens and plants and an abundance of wildlife which thrive in the pond and habitats created on-site.

Presented to Conservation Halton on July 26, 2018 to acknowledge their contribution, in partnership with the town of Milton, in transforming the Kelso Quarry, a former quarry within the Niagara Escarpment Plan area, into a naturalized area within Halton Region's Natural Heritage System.