It is important to understand that not all land surveys are created equal. Established, and named accordingly, by the American Land Title Association (ALTA), it created a set of minimum standards to follow throughout the surveying industry. The ALTA survey is considered one of the most highly detailed surveys in the industry. Purpose of an ALTA Survey: The American Land Title Association (ALTA) survey is one of the most recognized and highly detailed surveys used by law firms, real estate agents, lenders, and title companies. These professionals use the ALTA survey to obtain specific information about the property during the.