Scrapers 1993 22,222 h Canada, Nisku, Alberta
Scrapers 1980 16,922 h Canada, Nisku, Alberta
Scrapers 1991 25,331 h Canada, Nisku, Alberta
Scrapers 1979 Canada, Winnipeg Area, Manitoba
Scrapers 2008 10,000 h Canada, Estevan, Saskatchewan
Scrapers 1985 7,000 h Spain, HUELVA