Here's one I downloaded from somewhere
FORMAL SEARCH AGREEMENT
This agreement, dated this ___________ day of ____________________________________, in the year ___________,
between __________________________________________, and __________________________________________,
hereinafter known as the Property Owners, and __________________________________________________________,
hereinafter known as the Searcher,
WITNESS:
In consideration of the Searcher?s undertaking to devote time and equipment in search of the premises* described as:
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________.
the Property Owners hereby agree that the Searcher shall receive as compensation for services _______ percent of all money, jewelry, artifacts, and
________________________________________________________________________________________________.
which may have been lost of concealed in, on, or about the above premises and discovered by the Searcher.
The Searcher is given full authority to work in, on, or about the said premises at any reasonable time, subject only to such notice as the Property Owners may require in advance of such work. Each party waives any possible claim against the other for liability for any act or omission of the other arising out of or in consequence of the search herein provided for.
This agreement shall be effective for _____ months from the date hereof.
Executed at (city) ________________________, (county) ________________________, (state) ___________________.
Property Owner: ___________________________________________
Property Owner: ___________________________________________
Searcher: ______________________________________________
* NOTE: Property may be described generally as a house and lot, or a farm, or a tract of a particular street or road address, owned by the Property Owners, or by use of the legal description, if available.