Notes:
Notes:
Advertisement for the Concrete Products Association of Washington that featured two recent apartment buildings in Seattle, constructed, in part, from concrete masonry: Casa Del Rey Apartments by Raymond H. Peck and John C. O'Brien, Architects and C.H. Rigby and Son, Builders; 2600 Thorndyke Avenue Apartments by Lawrence and Hazen, Architects, and Hal Pettijohn, Builder.