Conover, Herbert S. Grounds Maintenance Handbook / by Herbert S. Conover. - 3rd.ed. - New York : McGraw-Hill Book Company , 1977 - viii, 631 pages .: table, illustrations .; 23 cm Includes indexs (p.: 619 -631) ISBN: 0070124124 RM 148.93 Subjects--Topical Terms: Grounds maintenance. Dewey Class. No.: 635.9 / CON 1977