During the last decade of the nineteenth century, Alexander joined with a group of men from Rockville, Minnesota, to lease land with an outcropping of granite.

Color choices include: Academy Black, Agate, Azalea, Carnelian, Charcoal Black, Diamond Pink, Fredericksburg Red, Iridian, Kasota Valley Limestone, Lac du Bonnet, Lake Placid Blue, Lake Superior Green, Mesabi Black, Mountain Green, Prairie Brown, Rainbow, Rockville Beige, Rockville White, Royal Sable, Sierra White, Sunset Beige, Sunset Red, Texas Pearl, Texas Pink and Texas Red.

[6] Coldspring's stone products serve for applications such as commercial interiors and exteriors, landscaping, hardscaping, civic memorials and national monuments.

Coldspring distributes slabs for the residential market, as well as industrial products, raw quarry blocks, jetty, rip-rap and diamond tools.

Findings spurred continuing research on key issues ranging from water reclamation and consumption efficiency, identification of market niches and alternative uses for scrap stone, to the potential establishment of a corporate environmental policy for quarry closure; thereby compelling the development of industry best practices, life-cycle datasets and material fact sheets.