| http://www.w3.org/ns/prov#value | - its are received for a number of similar types of work on adjacent or overlapping areas, or on areas which in the aggregate are determined to cover a single work unit, they may be expended on such combined areas for the purposes for which deposited, in which event refunds to the depositors of the total amount of the excess deposits involved will be made on a proportionate basis: Provided further,
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