Preservation of Historic Concrete (PDF)
Preservation Brief 15, by Paul Gaudette and Deborah Slaton
Online Version: https://www.nps.gov/tps/how-to-preserve/briefs/15-concrete.htm
Preservation of Historic Concrete (PDF)
Preservation Brief 15, by Paul Gaudette and Deborah Slaton
Online Version: https://www.nps.gov/tps/how-to-preserve/briefs/15-concrete.htm