Entries for February 2017

Bruce Suprenant, Technical Director, The Voice Newsletter February 2017 Yes, this is concrete at my house in Boulder, CO. Photos A and C are of the “new” concrete placed in 1992. Photo B is the “old” driveway placed in 1967. I bought the house in 1988 so I am responsible only for the “new” concrete. Well sort of. Let’s start with Photo A. There&rs...

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