The Riverside Memorial Mausoleum, south of the entrance drive, was started in July 1926 and dedicated Oct. 16th, 1927 in Riverside Cemetery by a citizens' group. Its cost was approximately $150,000. Of reinforced monolithic concrete construction, exterior faced with stone and interior decorated with marble, the mausoleum is notable both for its permanence and for its beauty.Proceeds from the sale of crypts created a perpetual care fund sufficient for the future maintenance of the building. This is administered by the trustees of the non-profit Defiance Mausoleum Association. The Cemetery Chapel was built in 1888, by John Demann and W. S. and A. G. McClary with assistance from Architect Jonathan I. Hale. This Gothic Revival structure consists of a slate gabled roof and a true Gothic ceiling done by expert craftsmen. The exterior walls are built of limestone with handsome beltcoursings of portage red stone. The chapel room is 22 feet by 34 feet with an additional bay for the lowering apparatus used to lower bodies into the vault. The massive doors and window frames are handsomely done in natural pine. The floor is Georgian marble carried on segmental brick arches between steel beams. The interior walls are stucco, delicately tinted from terra cotta to a light blue. There is a handsome mantel and open grate of glass tile from Europe. - Defiance Public Library