Any type of information-gathering accomplished from an aerospace vehicle in flight.

A surveying reference point marked by a permanently fixed marker.

plural of survey monument

(statistics) An opinion poll or survey conducted through the use of calling people on their telephones to gather information relating to the public.

An instrument sensitive to ionizing radiations used in prospecting for radioactive deposits.

plural of survey meter

plural of survey mile

(US) The mile of ⁶³³⁶⁄₃₉₃₇ kilometers employed by the United States prior to its adoption of the international mile by treaty in the 1950s.

plural of aerial survey

plural of phone survey