locator

from WordNet (r) 3.0 (2006)

locator
    n 1: a person who fixes the boundaries of land claims [syn:
         {locator}, {locater}]

from The Collaborative International Dictionary of English v.0.48

Locator \Lo"ca*tor\, n.
   One who locates, or is entitled to locate, land or a mining
   claim. [U.S.]
   [1913 Webster]

from Bouvier's Law Dictionary, Revised 6th Ed (1856)

LOCATOR, civil law. He who leases or lets a thing to hire to another. His 
duties are, 1st. To deliver to the hirer the thing hired, that he may use 
it. 2d. To guaranty to the hirer the free enjoyment of it. 3d. To keep the 
thing hired in good order in such manner that the hirer may enjoy it. 4th. 
To warrant that the thing hired has not such defects as to destroy its use. 
Poth. Du. Contr. de Louage, n. 53.