Dargan, Mary Palmer. Timeless landscape design : the four-part master plan / Mary Palmer Dargan, Hugh Graham Dargan. - 1st ed. - Salt Lake City, Utah : Wyrick, c2007. - 192 p. : col. ill. ; 29 cm. Includes index. ISBN: 0941711854 LCCN: 2006927987 Subjects--Topical Terms: Landscape design.Landscape architecture. LC Class. No.: SB472.45 / .D37 2007 Dewey Class. No.: 712