Federal Land Survey Act of 1981

Federal Land Survey Act of 1981 - Directs the Secretary of the Interior to notify affected agencies and the public of the intent to conduct, certify, or record any land survey or resurvey, at least 30 days prior to such intended action. Requires the Secretary to: (1) initiate such survey within six months of the notice of intent; (2) complete such survey within two years of its initiation; and (3) certify such survey in the appropriate land office within 90 days of its completion. Sets forth certain monumentation requirements for surveys involving both federal and non-federal lands. Provides a procedure for removal of any monumentation if the Secretary fails to certify such monument within the 90-day period.

Directs the Secretary of the Interior and the Secretary of Agriculture, in consultation with the state governors and the President of the National Academy of Sciences, to: (1) conduct an assessment of multipurpose national cadastre information needs; and (2) develop a feasibility study for the establishment of a multipurpose national cadastre system. Requires the submission of such feasibility report to the Congress within three years of enactment of this Act.