Skip to main content
A member of the Association of Ontario Land Surveyors licensed to engage in the practice of cadastral surveying; each member has a unique number, which is usually imprinted on "surveyors iron bars" for easy recognition (see iron bars).
Source
http://www.e-laws.gov.on.ca/html/source/regs/english/2010/elaws_src_regs_r10216_e.htm