A 1- or 1 1/2-storydouble-pilestructurewith low-pitched roof (either gableorhip), this form was popularized very rapidly after World War II by commercial builders. Interior floor plans vary. Garages may or may not be integrated into the structure. Rickert 1967, 234; Stith and Meyer 1974, 3; Walker 1981, 235. (Jakle, 1989)