They selected a design by Joseph Campbell the following year , and it was finished by December 1894 at a total cost of $459 ( $13,000 in contemporary dollars ) .
The association 's trustees decided to build it over the vault in 1893 .
trustees selected a design by Joseph Campbell the following year , and it was finished by December 1894 at a total cost of $459 ( $13,000 in contemporary dollars ) .
The association 's trustees decided to build it over the vault in 1893 .