14 peer-viewed papers cover approaches, examination, and specimen preparation of concrete and aggregates for petrographic studies; petrographic examination of aggregate problems; and petrography applied to solving varieties of concrete problems. Provides helpful information both to those who conduct petrographic investigations and to those who use petrographic information to fulfill their analysis needs. For petrographers, geologists, concrete technologists, engineers, and research and development organization involved with Portland cement, concrete, aggregates, and admixtures for concrete.