Cottage Grove Cemetery Cottage Grove, MN Home » Our Work » Cottage Grove Cemetery Pre-Assembled Ely Columbarium– Located in Cottage Grove, MN– Niche Fronts Finished in Polished Mountain Pink Granite– Heavy Base and Thick Capstone Finished in Mahogany Granite– 96 Companion Niches– 192 Total Urn SpacesCompleted in 2018 Location