LANDSCAPING SUPPLIES

If you live in mid-Michigan, Hammond Farms is a great landscape supply outlet.  They carry paving stone and rocks of all sizes, pond building supplies, dirt and mulch. 
Their website is

http://www.hammondfarms.com/store-locations/

They have a location in Dimondale and East Lansing on Saginaw Highway.  I like the East Lansing location.

Examples of Pennsylvania bluestone